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Diffstat (limited to 'fs/f2fs/compress.c')
-rw-r--r--fs/f2fs/compress.c710
1 files changed, 401 insertions, 309 deletions
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 2532f369cb10..7b68bf22989d 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -23,20 +23,18 @@
static struct kmem_cache *cic_entry_slab;
static struct kmem_cache *dic_entry_slab;
-static void *page_array_alloc(struct inode *inode, int nr)
+static void *page_array_alloc(struct f2fs_sb_info *sbi, int nr)
{
- struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
unsigned int size = sizeof(struct page *) * nr;
if (likely(size <= sbi->page_array_slab_size))
return f2fs_kmem_cache_alloc(sbi->page_array_slab,
- GFP_F2FS_ZERO, false, F2FS_I_SB(inode));
+ GFP_F2FS_ZERO, false, sbi);
return f2fs_kzalloc(sbi, size, GFP_NOFS);
}
-static void page_array_free(struct inode *inode, void *pages, int nr)
+static void page_array_free(struct f2fs_sb_info *sbi, void *pages, int nr)
{
- struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
unsigned int size = sizeof(struct page *) * nr;
if (!pages)
@@ -55,6 +53,7 @@ struct f2fs_compress_ops {
int (*init_decompress_ctx)(struct decompress_io_ctx *dic);
void (*destroy_decompress_ctx)(struct decompress_io_ctx *dic);
int (*decompress_pages)(struct decompress_io_ctx *dic);
+ bool (*is_level_valid)(int level);
};
static unsigned int offset_in_cluster(struct compress_ctx *cc, pgoff_t index)
@@ -72,28 +71,28 @@ static pgoff_t start_idx_of_cluster(struct compress_ctx *cc)
return cc->cluster_idx << cc->log_cluster_size;
}
-bool f2fs_is_compressed_page(struct page *page)
+bool f2fs_is_compressed_page(struct folio *folio)
{
- if (!PagePrivate(page))
+ if (!folio->private)
return false;
- if (!page_private(page))
- return false;
- if (page_private_nonpointer(page))
+ if (folio_test_f2fs_nonpointer(folio))
return false;
- f2fs_bug_on(F2FS_M_SB(page->mapping),
- *((u32 *)page_private(page)) != F2FS_COMPRESSED_PAGE_MAGIC);
+ f2fs_bug_on(F2FS_F_SB(folio),
+ *((u32 *)folio->private) != F2FS_COMPRESSED_PAGE_MAGIC);
return true;
}
static void f2fs_set_compressed_page(struct page *page,
struct inode *inode, pgoff_t index, void *data)
{
- attach_page_private(page, (void *)data);
+ struct folio *folio = page_folio(page);
+
+ folio_attach_private(folio, (void *)data);
/* i_crypto_info and iv index */
- page->index = index;
- page->mapping = inode->i_mapping;
+ folio->index = index;
+ folio->mapping = inode->i_mapping;
}
static void f2fs_drop_rpages(struct compress_ctx *cc, int len, bool unlock)
@@ -121,7 +120,7 @@ static void f2fs_unlock_rpages(struct compress_ctx *cc, int len)
}
static void f2fs_put_rpages_wbc(struct compress_ctx *cc,
- struct writeback_control *wbc, bool redirty, int unlock)
+ struct writeback_control *wbc, bool redirty, bool unlock)
{
unsigned int i;
@@ -134,9 +133,11 @@ static void f2fs_put_rpages_wbc(struct compress_ctx *cc,
}
}
-struct page *f2fs_compress_control_page(struct page *page)
+struct folio *f2fs_compress_control_folio(struct folio *folio)
{
- return ((struct compress_io_ctx *)page_private(page))->rpages[0];
+ struct compress_io_ctx *ctx = folio->private;
+
+ return page_folio(ctx->rpages[0]);
}
int f2fs_init_compress_ctx(struct compress_ctx *cc)
@@ -144,13 +145,13 @@ int f2fs_init_compress_ctx(struct compress_ctx *cc)
if (cc->rpages)
return 0;
- cc->rpages = page_array_alloc(cc->inode, cc->cluster_size);
+ cc->rpages = page_array_alloc(F2FS_I_SB(cc->inode), cc->cluster_size);
return cc->rpages ? 0 : -ENOMEM;
}
void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse)
{
- page_array_free(cc->inode, cc->rpages, cc->cluster_size);
+ page_array_free(F2FS_I_SB(cc->inode), cc->rpages, cc->cluster_size);
cc->rpages = NULL;
cc->nr_rpages = 0;
cc->nr_cpages = 0;
@@ -159,24 +160,24 @@ void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse)
cc->cluster_idx = NULL_CLUSTER;
}
-void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page)
+void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio)
{
unsigned int cluster_ofs;
- if (!f2fs_cluster_can_merge_page(cc, page->index))
+ if (!f2fs_cluster_can_merge_page(cc, folio->index))
f2fs_bug_on(F2FS_I_SB(cc->inode), 1);
- cluster_ofs = offset_in_cluster(cc, page->index);
- cc->rpages[cluster_ofs] = page;
+ cluster_ofs = offset_in_cluster(cc, folio->index);
+ cc->rpages[cluster_ofs] = folio_page(folio, 0);
cc->nr_rpages++;
- cc->cluster_idx = cluster_idx(cc, page->index);
+ cc->cluster_idx = cluster_idx(cc, folio->index);
}
#ifdef CONFIG_F2FS_FS_LZO
static int lzo_init_compress_ctx(struct compress_ctx *cc)
{
- cc->private = f2fs_kvmalloc(F2FS_I_SB(cc->inode),
- LZO1X_MEM_COMPRESS, GFP_NOFS);
+ cc->private = f2fs_vmalloc(F2FS_I_SB(cc->inode),
+ LZO1X_MEM_COMPRESS);
if (!cc->private)
return -ENOMEM;
@@ -186,7 +187,7 @@ static int lzo_init_compress_ctx(struct compress_ctx *cc)
static void lzo_destroy_compress_ctx(struct compress_ctx *cc)
{
- kvfree(cc->private);
+ vfree(cc->private);
cc->private = NULL;
}
@@ -197,8 +198,8 @@ static int lzo_compress_pages(struct compress_ctx *cc)
ret = lzo1x_1_compress(cc->rbuf, cc->rlen, cc->cbuf->cdata,
&cc->clen, cc->private);
if (ret != LZO_E_OK) {
- printk_ratelimited("%sF2FS-fs (%s): lzo compress failed, ret:%d\n",
- KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id, ret);
+ f2fs_err_ratelimited(F2FS_I_SB(cc->inode),
+ "lzo compress failed, ret:%d", ret);
return -EIO;
}
return 0;
@@ -211,17 +212,15 @@ static int lzo_decompress_pages(struct decompress_io_ctx *dic)
ret = lzo1x_decompress_safe(dic->cbuf->cdata, dic->clen,
dic->rbuf, &dic->rlen);
if (ret != LZO_E_OK) {
- printk_ratelimited("%sF2FS-fs (%s): lzo decompress failed, ret:%d\n",
- KERN_ERR, F2FS_I_SB(dic->inode)->sb->s_id, ret);
+ f2fs_err_ratelimited(dic->sbi,
+ "lzo decompress failed, ret:%d", ret);
return -EIO;
}
if (dic->rlen != PAGE_SIZE << dic->log_cluster_size) {
- printk_ratelimited("%sF2FS-fs (%s): lzo invalid rlen:%zu, "
- "expected:%lu\n", KERN_ERR,
- F2FS_I_SB(dic->inode)->sb->s_id,
- dic->rlen,
- PAGE_SIZE << dic->log_cluster_size);
+ f2fs_err_ratelimited(dic->sbi,
+ "lzo invalid rlen:%zu, expected:%lu",
+ dic->rlen, PAGE_SIZE << dic->log_cluster_size);
return -EIO;
}
return 0;
@@ -241,11 +240,11 @@ static int lz4_init_compress_ctx(struct compress_ctx *cc)
unsigned int size = LZ4_MEM_COMPRESS;
#ifdef CONFIG_F2FS_FS_LZ4HC
- if (F2FS_I(cc->inode)->i_compress_flag >> COMPRESS_LEVEL_OFFSET)
+ if (F2FS_I(cc->inode)->i_compress_level)
size = LZ4HC_MEM_COMPRESS;
#endif
- cc->private = f2fs_kvmalloc(F2FS_I_SB(cc->inode), size, GFP_NOFS);
+ cc->private = f2fs_vmalloc(F2FS_I_SB(cc->inode), size);
if (!cc->private)
return -ENOMEM;
@@ -260,40 +259,25 @@ static int lz4_init_compress_ctx(struct compress_ctx *cc)
static void lz4_destroy_compress_ctx(struct compress_ctx *cc)
{
- kvfree(cc->private);
+ vfree(cc->private);
cc->private = NULL;
}
-#ifdef CONFIG_F2FS_FS_LZ4HC
-static int lz4hc_compress_pages(struct compress_ctx *cc)
+static int lz4_compress_pages(struct compress_ctx *cc)
{
- unsigned char level = F2FS_I(cc->inode)->i_compress_flag >>
- COMPRESS_LEVEL_OFFSET;
- int len;
+ int len = -EINVAL;
+ unsigned char level = F2FS_I(cc->inode)->i_compress_level;
- if (level)
- len = LZ4_compress_HC(cc->rbuf, cc->cbuf->cdata, cc->rlen,
- cc->clen, level, cc->private);
- else
+ if (!level)
len = LZ4_compress_default(cc->rbuf, cc->cbuf->cdata, cc->rlen,
cc->clen, cc->private);
- if (!len)
- return -EAGAIN;
-
- cc->clen = len;
- return 0;
-}
-#endif
-
-static int lz4_compress_pages(struct compress_ctx *cc)
-{
- int len;
-
#ifdef CONFIG_F2FS_FS_LZ4HC
- return lz4hc_compress_pages(cc);
+ else
+ len = LZ4_compress_HC(cc->rbuf, cc->cbuf->cdata, cc->rlen,
+ cc->clen, level, cc->private);
#endif
- len = LZ4_compress_default(cc->rbuf, cc->cbuf->cdata, cc->rlen,
- cc->clen, cc->private);
+ if (len < 0)
+ return len;
if (!len)
return -EAGAIN;
@@ -308,58 +292,63 @@ static int lz4_decompress_pages(struct decompress_io_ctx *dic)
ret = LZ4_decompress_safe(dic->cbuf->cdata, dic->rbuf,
dic->clen, dic->rlen);
if (ret < 0) {
- printk_ratelimited("%sF2FS-fs (%s): lz4 decompress failed, ret:%d\n",
- KERN_ERR, F2FS_I_SB(dic->inode)->sb->s_id, ret);
+ f2fs_err_ratelimited(dic->sbi,
+ "lz4 decompress failed, ret:%d", ret);
return -EIO;
}
if (ret != PAGE_SIZE << dic->log_cluster_size) {
- printk_ratelimited("%sF2FS-fs (%s): lz4 invalid ret:%d, "
- "expected:%lu\n", KERN_ERR,
- F2FS_I_SB(dic->inode)->sb->s_id, ret,
- PAGE_SIZE << dic->log_cluster_size);
+ f2fs_err_ratelimited(dic->sbi,
+ "lz4 invalid ret:%d, expected:%lu",
+ ret, PAGE_SIZE << dic->log_cluster_size);
return -EIO;
}
return 0;
}
+static bool lz4_is_level_valid(int lvl)
+{
+#ifdef CONFIG_F2FS_FS_LZ4HC
+ return !lvl || (lvl >= LZ4HC_MIN_CLEVEL && lvl <= LZ4HC_MAX_CLEVEL);
+#else
+ return lvl == 0;
+#endif
+}
+
static const struct f2fs_compress_ops f2fs_lz4_ops = {
.init_compress_ctx = lz4_init_compress_ctx,
.destroy_compress_ctx = lz4_destroy_compress_ctx,
.compress_pages = lz4_compress_pages,
.decompress_pages = lz4_decompress_pages,
+ .is_level_valid = lz4_is_level_valid,
};
#endif
#ifdef CONFIG_F2FS_FS_ZSTD
-#define F2FS_ZSTD_DEFAULT_CLEVEL 1
-
static int zstd_init_compress_ctx(struct compress_ctx *cc)
{
zstd_parameters params;
zstd_cstream *stream;
void *workspace;
unsigned int workspace_size;
- unsigned char level = F2FS_I(cc->inode)->i_compress_flag >>
- COMPRESS_LEVEL_OFFSET;
+ unsigned char level = F2FS_I(cc->inode)->i_compress_level;
+ /* Need to remain this for backward compatibility */
if (!level)
level = F2FS_ZSTD_DEFAULT_CLEVEL;
params = zstd_get_params(level, cc->rlen);
workspace_size = zstd_cstream_workspace_bound(&params.cParams);
- workspace = f2fs_kvmalloc(F2FS_I_SB(cc->inode),
- workspace_size, GFP_NOFS);
+ workspace = f2fs_vmalloc(F2FS_I_SB(cc->inode), workspace_size);
if (!workspace)
return -ENOMEM;
stream = zstd_init_cstream(&params, 0, workspace, workspace_size);
if (!stream) {
- printk_ratelimited("%sF2FS-fs (%s): %s zstd_init_cstream failed\n",
- KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id,
- __func__);
- kvfree(workspace);
+ f2fs_err_ratelimited(F2FS_I_SB(cc->inode),
+ "%s zstd_init_cstream failed", __func__);
+ vfree(workspace);
return -EIO;
}
@@ -372,7 +361,7 @@ static int zstd_init_compress_ctx(struct compress_ctx *cc)
static void zstd_destroy_compress_ctx(struct compress_ctx *cc)
{
- kvfree(cc->private);
+ vfree(cc->private);
cc->private = NULL;
cc->private2 = NULL;
}
@@ -396,16 +385,16 @@ static int zstd_compress_pages(struct compress_ctx *cc)
ret = zstd_compress_stream(stream, &outbuf, &inbuf);
if (zstd_is_error(ret)) {
- printk_ratelimited("%sF2FS-fs (%s): %s zstd_compress_stream failed, ret: %d\n",
- KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id,
+ f2fs_err_ratelimited(F2FS_I_SB(cc->inode),
+ "%s zstd_compress_stream failed, ret: %d",
__func__, zstd_get_error_code(ret));
return -EIO;
}
ret = zstd_end_stream(stream, &outbuf);
if (zstd_is_error(ret)) {
- printk_ratelimited("%sF2FS-fs (%s): %s zstd_end_stream returned %d\n",
- KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id,
+ f2fs_err_ratelimited(F2FS_I_SB(cc->inode),
+ "%s zstd_end_stream returned %d",
__func__, zstd_get_error_code(ret));
return -EIO;
}
@@ -431,17 +420,15 @@ static int zstd_init_decompress_ctx(struct decompress_io_ctx *dic)
workspace_size = zstd_dstream_workspace_bound(max_window_size);
- workspace = f2fs_kvmalloc(F2FS_I_SB(dic->inode),
- workspace_size, GFP_NOFS);
+ workspace = f2fs_vmalloc(dic->sbi, workspace_size);
if (!workspace)
return -ENOMEM;
stream = zstd_init_dstream(max_window_size, workspace, workspace_size);
if (!stream) {
- printk_ratelimited("%sF2FS-fs (%s): %s zstd_init_dstream failed\n",
- KERN_ERR, F2FS_I_SB(dic->inode)->sb->s_id,
- __func__);
- kvfree(workspace);
+ f2fs_err_ratelimited(dic->sbi,
+ "%s zstd_init_dstream failed", __func__);
+ vfree(workspace);
return -EIO;
}
@@ -453,7 +440,7 @@ static int zstd_init_decompress_ctx(struct decompress_io_ctx *dic)
static void zstd_destroy_decompress_ctx(struct decompress_io_ctx *dic)
{
- kvfree(dic->private);
+ vfree(dic->private);
dic->private = NULL;
dic->private2 = NULL;
}
@@ -475,16 +462,15 @@ static int zstd_decompress_pages(struct decompress_io_ctx *dic)
ret = zstd_decompress_stream(stream, &outbuf, &inbuf);
if (zstd_is_error(ret)) {
- printk_ratelimited("%sF2FS-fs (%s): %s zstd_decompress_stream failed, ret: %d\n",
- KERN_ERR, F2FS_I_SB(dic->inode)->sb->s_id,
+ f2fs_err_ratelimited(dic->sbi,
+ "%s zstd_decompress_stream failed, ret: %d",
__func__, zstd_get_error_code(ret));
return -EIO;
}
if (dic->rlen != outbuf.pos) {
- printk_ratelimited("%sF2FS-fs (%s): %s ZSTD invalid rlen:%zu, "
- "expected:%lu\n", KERN_ERR,
- F2FS_I_SB(dic->inode)->sb->s_id,
+ f2fs_err_ratelimited(dic->sbi,
+ "%s ZSTD invalid rlen:%zu, expected:%lu",
__func__, dic->rlen,
PAGE_SIZE << dic->log_cluster_size);
return -EIO;
@@ -493,6 +479,11 @@ static int zstd_decompress_pages(struct decompress_io_ctx *dic)
return 0;
}
+static bool zstd_is_level_valid(int lvl)
+{
+ return lvl >= zstd_min_clevel() && lvl <= zstd_max_clevel();
+}
+
static const struct f2fs_compress_ops f2fs_zstd_ops = {
.init_compress_ctx = zstd_init_compress_ctx,
.destroy_compress_ctx = zstd_destroy_compress_ctx,
@@ -500,6 +491,7 @@ static const struct f2fs_compress_ops f2fs_zstd_ops = {
.init_decompress_ctx = zstd_init_decompress_ctx,
.destroy_decompress_ctx = zstd_destroy_decompress_ctx,
.decompress_pages = zstd_decompress_pages,
+ .is_level_valid = zstd_is_level_valid,
};
#endif
@@ -512,8 +504,8 @@ static int lzorle_compress_pages(struct compress_ctx *cc)
ret = lzorle1x_1_compress(cc->rbuf, cc->rlen, cc->cbuf->cdata,
&cc->clen, cc->private);
if (ret != LZO_E_OK) {
- printk_ratelimited("%sF2FS-fs (%s): lzo-rle compress failed, ret:%d\n",
- KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id, ret);
+ f2fs_err_ratelimited(F2FS_I_SB(cc->inode),
+ "lzo-rle compress failed, ret:%d", ret);
return -EIO;
}
return 0;
@@ -558,13 +550,23 @@ bool f2fs_is_compress_backend_ready(struct inode *inode)
return f2fs_cops[F2FS_I(inode)->i_compress_algorithm];
}
+bool f2fs_is_compress_level_valid(int alg, int lvl)
+{
+ const struct f2fs_compress_ops *cops = f2fs_cops[alg];
+
+ if (cops->is_level_valid)
+ return cops->is_level_valid(lvl);
+
+ return lvl == 0;
+}
+
static mempool_t *compress_page_pool;
static int num_compress_pages = 512;
module_param(num_compress_pages, uint, 0444);
MODULE_PARM_DESC(num_compress_pages,
"Number of intermediate compress pages to preallocate");
-int f2fs_init_compress_mempool(void)
+int __init f2fs_init_compress_mempool(void)
{
compress_page_pool = mempool_create_page_pool(num_compress_pages, 0);
return compress_page_pool ? 0 : -ENOMEM;
@@ -587,11 +589,14 @@ static struct page *f2fs_compress_alloc_page(void)
static void f2fs_compress_free_page(struct page *page)
{
+ struct folio *folio;
+
if (!page)
return;
- detach_page_private(page);
- page->mapping = NULL;
- unlock_page(page);
+ folio = page_folio(page);
+ folio_detach_private(folio);
+ folio->mapping = NULL;
+ folio_unlock(folio);
mempool_free(page, compress_page_pool);
}
@@ -613,6 +618,7 @@ static void *f2fs_vmap(struct page **pages, unsigned int count)
static int f2fs_compress_pages(struct compress_ctx *cc)
{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(cc->inode);
struct f2fs_inode_info *fi = F2FS_I(cc->inode);
const struct f2fs_compress_ops *cops =
f2fs_cops[fi->i_compress_algorithm];
@@ -633,19 +639,14 @@ static int f2fs_compress_pages(struct compress_ctx *cc)
cc->nr_cpages = DIV_ROUND_UP(max_len, PAGE_SIZE);
cc->valid_nr_cpages = cc->nr_cpages;
- cc->cpages = page_array_alloc(cc->inode, cc->nr_cpages);
+ cc->cpages = page_array_alloc(sbi, cc->nr_cpages);
if (!cc->cpages) {
ret = -ENOMEM;
goto destroy_compress_ctx;
}
- for (i = 0; i < cc->nr_cpages; i++) {
+ for (i = 0; i < cc->nr_cpages; i++)
cc->cpages[i] = f2fs_compress_alloc_page();
- if (!cc->cpages[i]) {
- ret = -ENOMEM;
- goto out_free_cpages;
- }
- }
cc->rbuf = f2fs_vmap(cc->rpages, cc->cluster_size);
if (!cc->rbuf) {
@@ -672,9 +673,8 @@ static int f2fs_compress_pages(struct compress_ctx *cc)
cc->cbuf->clen = cpu_to_le32(cc->clen);
- if (fi->i_compress_flag & 1 << COMPRESS_CHKSUM)
- chksum = f2fs_crc32(F2FS_I_SB(cc->inode),
- cc->cbuf->cdata, cc->clen);
+ if (fi->i_compress_flag & BIT(COMPRESS_CHKSUM))
+ chksum = f2fs_crc32(cc->cbuf->cdata, cc->clen);
cc->cbuf->chksum = cpu_to_le32(chksum);
for (i = 0; i < COMPRESS_DATA_RESERVED_SIZE; i++)
@@ -690,9 +690,7 @@ static int f2fs_compress_pages(struct compress_ctx *cc)
vm_unmap_ram(cc->cbuf, cc->nr_cpages);
vm_unmap_ram(cc->rbuf, cc->cluster_size);
- for (i = 0; i < cc->nr_cpages; i++) {
- if (i < new_nr_cpages)
- continue;
+ for (i = new_nr_cpages; i < cc->nr_cpages; i++) {
f2fs_compress_free_page(cc->cpages[i]);
cc->cpages[i] = NULL;
}
@@ -715,7 +713,7 @@ out_free_cpages:
if (cc->cpages[i])
f2fs_compress_free_page(cc->cpages[i]);
}
- page_array_free(cc->inode, cc->cpages, cc->nr_cpages);
+ page_array_free(sbi, cc->cpages, cc->nr_cpages);
cc->cpages = NULL;
destroy_compress_ctx:
if (cops->destroy_compress_ctx)
@@ -733,7 +731,7 @@ static void f2fs_release_decomp_mem(struct decompress_io_ctx *dic,
void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task)
{
- struct f2fs_sb_info *sbi = F2FS_I_SB(dic->inode);
+ struct f2fs_sb_info *sbi = dic->sbi;
struct f2fs_inode_info *fi = F2FS_I(dic->inode);
const struct f2fs_compress_ops *cops =
f2fs_cops[fi->i_compress_algorithm];
@@ -759,22 +757,24 @@ void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task)
if (dic->clen > PAGE_SIZE * dic->nr_cpages - COMPRESS_HEADER_SIZE) {
ret = -EFSCORRUPTED;
+
+ /* Avoid f2fs_commit_super in irq context */
f2fs_handle_error(sbi, ERROR_FAIL_DECOMPRESSION);
goto out_release;
}
ret = cops->decompress_pages(dic);
- if (!ret && (fi->i_compress_flag & 1 << COMPRESS_CHKSUM)) {
+ if (!ret && (fi->i_compress_flag & BIT(COMPRESS_CHKSUM))) {
u32 provided = le32_to_cpu(dic->cbuf->chksum);
- u32 calculated = f2fs_crc32(sbi, dic->cbuf->cdata, dic->clen);
+ u32 calculated = f2fs_crc32(dic->cbuf->cdata, dic->clen);
if (provided != calculated) {
if (!is_inode_flag_set(dic->inode, FI_COMPRESS_CORRUPT)) {
set_inode_flag(dic->inode, FI_COMPRESS_CORRUPT);
- printk_ratelimited(
- "%sF2FS-fs (%s): checksum invalid, nid = %lu, %x vs %x",
- KERN_INFO, sbi->sb->s_id, dic->inode->i_ino,
+ f2fs_info_ratelimited(sbi,
+ "checksum invalid, nid = %lu, %x vs %x",
+ dic->inode->i_ino,
provided, calculated);
}
set_sbi_flag(sbi, SBI_NEED_FSCK);
@@ -790,25 +790,27 @@ out_end_io:
f2fs_decompress_end_io(dic, ret, in_task);
}
+static void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi,
+ struct folio *folio, nid_t ino, block_t blkaddr);
+
/*
* This is called when a page of a compressed cluster has been read from disk
* (or failed to be read from disk). It checks whether this page was the last
* page being waited on in the cluster, and if so, it decompresses the cluster
* (or in the case of a failure, cleans up without actually decompressing).
*/
-void f2fs_end_read_compressed_page(struct page *page, bool failed,
+void f2fs_end_read_compressed_page(struct folio *folio, bool failed,
block_t blkaddr, bool in_task)
{
- struct decompress_io_ctx *dic =
- (struct decompress_io_ctx *)page_private(page);
- struct f2fs_sb_info *sbi = F2FS_I_SB(dic->inode);
+ struct decompress_io_ctx *dic = folio->private;
+ struct f2fs_sb_info *sbi = dic->sbi;
dec_page_count(sbi, F2FS_RD_DATA);
if (failed)
WRITE_ONCE(dic->failed, true);
else if (blkaddr && in_task)
- f2fs_cache_compressed_page(sbi, page,
+ f2fs_cache_compressed_page(sbi, folio,
dic->inode->i_ino, blkaddr);
if (atomic_dec_and_test(&dic->remaining_pages))
@@ -842,7 +844,7 @@ bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index)
bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages,
int index, int nr_pages, bool uptodate)
{
- unsigned long pgidx = pages[index]->index;
+ unsigned long pgidx = page_folio(pages[index])->index;
int i = uptodate ? 0 : 1;
/*
@@ -856,9 +858,11 @@ bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages,
return false;
for (; i < cc->cluster_size; i++) {
- if (pages[index + i]->index != pgidx + i)
+ struct folio *folio = page_folio(pages[index + i]);
+
+ if (folio->index != pgidx + i)
return false;
- if (uptodate && !PageUptodate(pages[index + i]))
+ if (uptodate && !folio_test_uptodate(folio))
return false;
}
@@ -877,7 +881,7 @@ static bool cluster_has_invalid_data(struct compress_ctx *cc)
f2fs_bug_on(F2FS_I_SB(cc->inode), !page);
/* beyond EOF */
- if (page->index >= nr_pages)
+ if (page_folio(page)->index >= nr_pages)
return true;
}
return false;
@@ -885,14 +889,15 @@ static bool cluster_has_invalid_data(struct compress_ctx *cc)
bool f2fs_sanity_check_cluster(struct dnode_of_data *dn)
{
+#ifdef CONFIG_F2FS_CHECK_FS
struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
unsigned int cluster_size = F2FS_I(dn->inode)->i_cluster_size;
- bool compressed = dn->data_blkaddr == COMPRESS_ADDR;
int cluster_end = 0;
+ unsigned int count;
int i;
char *reason = "";
- if (!compressed)
+ if (dn->data_blkaddr != COMPRESS_ADDR)
return false;
/* [..., COMPR_ADDR, ...] */
@@ -901,8 +906,8 @@ bool f2fs_sanity_check_cluster(struct dnode_of_data *dn)
goto out;
}
- for (i = 1; i < cluster_size; i++) {
- block_t blkaddr = data_blkaddr(dn->inode, dn->node_page,
+ for (i = 1, count = 1; i < cluster_size; i++, count++) {
+ block_t blkaddr = data_blkaddr(dn->inode, dn->node_folio,
dn->ofs_in_node + i);
/* [COMPR_ADDR, ..., COMPR_ADDR] */
@@ -921,19 +926,42 @@ bool f2fs_sanity_check_cluster(struct dnode_of_data *dn)
goto out;
}
}
+
+ f2fs_bug_on(F2FS_I_SB(dn->inode), count != cluster_size &&
+ !is_inode_flag_set(dn->inode, FI_COMPRESS_RELEASED));
+
return false;
out:
f2fs_warn(sbi, "access invalid cluster, ino:%lu, nid:%u, ofs_in_node:%u, reason:%s",
dn->inode->i_ino, dn->nid, dn->ofs_in_node, reason);
set_sbi_flag(sbi, SBI_NEED_FSCK);
return true;
+#else
+ return false;
+#endif
}
-static int __f2fs_cluster_blocks(struct inode *inode,
- unsigned int cluster_idx, bool compr)
+static int __f2fs_get_cluster_blocks(struct inode *inode,
+ struct dnode_of_data *dn)
{
- struct dnode_of_data dn;
unsigned int cluster_size = F2FS_I(inode)->i_cluster_size;
+ int count, i;
+
+ for (i = 0, count = 0; i < cluster_size; i++) {
+ block_t blkaddr = data_blkaddr(dn->inode, dn->node_folio,
+ dn->ofs_in_node + i);
+
+ if (__is_valid_data_blkaddr(blkaddr))
+ count++;
+ }
+
+ return count;
+}
+
+static int __f2fs_cluster_blocks(struct inode *inode, unsigned int cluster_idx,
+ enum cluster_check_type type)
+{
+ struct dnode_of_data dn;
unsigned int start_idx = cluster_idx <<
F2FS_I(inode)->i_log_cluster_size;
int ret;
@@ -948,31 +976,16 @@ static int __f2fs_cluster_blocks(struct inode *inode,
if (f2fs_sanity_check_cluster(&dn)) {
ret = -EFSCORRUPTED;
- f2fs_handle_error(F2FS_I_SB(inode), ERROR_CORRUPTED_CLUSTER);
goto fail;
}
if (dn.data_blkaddr == COMPRESS_ADDR) {
- int i;
-
- ret = 1;
- for (i = 1; i < cluster_size; i++) {
- block_t blkaddr;
-
- blkaddr = data_blkaddr(dn.inode,
- dn.node_page, dn.ofs_in_node + i);
- if (compr) {
- if (__is_valid_data_blkaddr(blkaddr))
- ret++;
- } else {
- if (blkaddr != NULL_ADDR)
- ret++;
- }
- }
-
- f2fs_bug_on(F2FS_I_SB(inode),
- !compr && ret != cluster_size &&
- !is_inode_flag_set(inode, FI_COMPRESS_RELEASED));
+ if (type == CLUSTER_COMPR_BLKS)
+ ret = 1 + __f2fs_get_cluster_blocks(inode, &dn);
+ else if (type == CLUSTER_IS_COMPR)
+ ret = 1;
+ } else if (type == CLUSTER_RAW_BLKS) {
+ ret = __f2fs_get_cluster_blocks(inode, &dn);
}
fail:
f2fs_put_dnode(&dn);
@@ -982,15 +995,33 @@ fail:
/* return # of compressed blocks in compressed cluster */
static int f2fs_compressed_blocks(struct compress_ctx *cc)
{
- return __f2fs_cluster_blocks(cc->inode, cc->cluster_idx, true);
+ return __f2fs_cluster_blocks(cc->inode, cc->cluster_idx,
+ CLUSTER_COMPR_BLKS);
+}
+
+/* return # of raw blocks in non-compressed cluster */
+static int f2fs_decompressed_blocks(struct inode *inode,
+ unsigned int cluster_idx)
+{
+ return __f2fs_cluster_blocks(inode, cluster_idx,
+ CLUSTER_RAW_BLKS);
}
-/* return # of valid blocks in compressed cluster */
+/* return whether cluster is compressed one or not */
int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index)
{
return __f2fs_cluster_blocks(inode,
index >> F2FS_I(inode)->i_log_cluster_size,
- false);
+ CLUSTER_IS_COMPR);
+}
+
+/* return whether cluster contains non raw blocks or not */
+bool f2fs_is_sparse_cluster(struct inode *inode, pgoff_t index)
+{
+ unsigned int cluster_idx = index >> F2FS_I(inode)->i_log_cluster_size;
+
+ return f2fs_decompressed_blocks(inode, cluster_idx) !=
+ F2FS_I(inode)->i_cluster_size;
}
static bool cluster_may_compress(struct compress_ctx *cc)
@@ -1016,13 +1047,40 @@ static void set_cluster_writeback(struct compress_ctx *cc)
}
}
+static void cancel_cluster_writeback(struct compress_ctx *cc,
+ struct compress_io_ctx *cic, int submitted)
+{
+ int i;
+
+ /* Wait for submitted IOs. */
+ if (submitted > 1) {
+ f2fs_submit_merged_write(F2FS_I_SB(cc->inode), DATA);
+ while (atomic_read(&cic->pending_pages) !=
+ (cc->valid_nr_cpages - submitted + 1))
+ f2fs_io_schedule_timeout(DEFAULT_SCHEDULE_TIMEOUT);
+ }
+
+ /* Cancel writeback and stay locked. */
+ for (i = 0; i < cc->cluster_size; i++) {
+ if (i < submitted) {
+ inode_inc_dirty_pages(cc->inode);
+ lock_page(cc->rpages[i]);
+ }
+ clear_page_private_gcing(cc->rpages[i]);
+ if (folio_test_writeback(page_folio(cc->rpages[i])))
+ end_page_writeback(cc->rpages[i]);
+ }
+}
+
static void set_cluster_dirty(struct compress_ctx *cc)
{
int i;
for (i = 0; i < cc->cluster_size; i++)
- if (cc->rpages[i])
+ if (cc->rpages[i]) {
set_page_dirty(cc->rpages[i]);
+ set_page_private_gcing(cc->rpages[i]);
+ }
}
static int prepare_compress_overwrite(struct compress_ctx *cc,
@@ -1030,9 +1088,9 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
{
struct f2fs_sb_info *sbi = F2FS_I_SB(cc->inode);
struct address_space *mapping = cc->inode->i_mapping;
- struct page *page;
+ struct folio *folio;
sector_t last_block_in_bio;
- unsigned fgp_flag = FGP_LOCK | FGP_WRITE | FGP_CREAT;
+ fgf_t fgp_flag = FGP_LOCK | FGP_WRITE | FGP_CREAT;
pgoff_t start_idx = start_idx_of_cluster(cc);
int i, ret;
@@ -1045,32 +1103,32 @@ retry:
if (ret)
return ret;
- /* keep page reference to avoid page reclaim */
+ /* keep folio reference to avoid page reclaim */
for (i = 0; i < cc->cluster_size; i++) {
- page = f2fs_pagecache_get_page(mapping, start_idx + i,
- fgp_flag, GFP_NOFS);
- if (!page) {
- ret = -ENOMEM;
+ folio = f2fs_filemap_get_folio(mapping, start_idx + i,
+ fgp_flag, GFP_NOFS);
+ if (IS_ERR(folio)) {
+ ret = PTR_ERR(folio);
goto unlock_pages;
}
- if (PageUptodate(page))
- f2fs_put_page(page, 1);
+ if (folio_test_uptodate(folio))
+ f2fs_folio_put(folio, true);
else
- f2fs_compress_ctx_add_page(cc, page);
+ f2fs_compress_ctx_add_page(cc, folio);
}
if (!f2fs_cluster_is_empty(cc)) {
struct bio *bio = NULL;
ret = f2fs_read_multi_pages(cc, &bio, cc->cluster_size,
- &last_block_in_bio, false, true);
+ &last_block_in_bio, NULL, true);
f2fs_put_rpages(cc);
f2fs_destroy_compress_ctx(cc, true);
if (ret)
goto out;
if (bio)
- f2fs_submit_bio(sbi, bio, DATA);
+ f2fs_submit_read_bio(sbi, bio, DATA);
ret = f2fs_init_compress_ctx(cc);
if (ret)
@@ -1080,16 +1138,17 @@ retry:
for (i = 0; i < cc->cluster_size; i++) {
f2fs_bug_on(sbi, cc->rpages[i]);
- page = find_lock_page(mapping, start_idx + i);
- if (!page) {
- /* page can be truncated */
+ folio = filemap_lock_folio(mapping, start_idx + i);
+ if (IS_ERR(folio)) {
+ /* folio could be truncated */
goto release_and_retry;
}
- f2fs_wait_on_page_writeback(page, DATA, true, true);
- f2fs_compress_ctx_add_page(cc, page);
+ f2fs_folio_wait_writeback(folio, DATA, true, true);
+ f2fs_compress_ctx_add_page(cc, folio);
- if (!PageUptodate(page)) {
+ if (!folio_test_uptodate(folio)) {
+ f2fs_handle_page_eio(sbi, folio, DATA);
release_and_retry:
f2fs_put_rpages(cc);
f2fs_unlock_rpages(cc, i + 1);
@@ -1137,12 +1196,13 @@ bool f2fs_compress_write_end(struct inode *inode, void *fsdata,
.cluster_size = F2FS_I(inode)->i_cluster_size,
.rpages = fsdata,
};
- bool first_index = (index == cc.rpages[0]->index);
+ struct folio *folio = page_folio(cc.rpages[0]);
+ bool first_index = (index == folio->index);
if (copied)
set_cluster_dirty(&cc);
- f2fs_put_rpages_wbc(&cc, NULL, false, 1);
+ f2fs_put_rpages_wbc(&cc, NULL, false, true);
f2fs_destroy_compress_ctx(&cc, false);
return first_index;
@@ -1152,9 +1212,11 @@ int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock)
{
void *fsdata = NULL;
struct page *pagep;
+ struct page **rpages;
int log_cluster_size = F2FS_I(inode)->i_log_cluster_size;
pgoff_t start_idx = from >> (PAGE_SHIFT + log_cluster_size) <<
log_cluster_size;
+ int i;
int err;
err = f2fs_is_compressed_cluster(inode, start_idx);
@@ -1175,26 +1237,30 @@ int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock)
if (err <= 0)
return err;
- if (err > 0) {
- struct page **rpages = fsdata;
- int cluster_size = F2FS_I(inode)->i_cluster_size;
- int i;
+ rpages = fsdata;
- for (i = cluster_size - 1; i >= 0; i--) {
- loff_t start = rpages[i]->index << PAGE_SHIFT;
+ for (i = (1 << log_cluster_size) - 1; i >= 0; i--) {
+ struct folio *folio = page_folio(rpages[i]);
+ loff_t start = (loff_t)folio->index << PAGE_SHIFT;
+ loff_t offset = from > start ? from - start : 0;
- if (from <= start) {
- zero_user_segment(rpages[i], 0, PAGE_SIZE);
- } else {
- zero_user_segment(rpages[i], from - start,
- PAGE_SIZE);
- break;
- }
- }
+ folio_zero_segment(folio, offset, folio_size(folio));
- f2fs_compress_write_end(inode, fsdata, start_idx, true);
+ if (from >= start)
+ break;
}
- return 0;
+
+ f2fs_compress_write_end(inode, fsdata, start_idx, true);
+
+ err = filemap_write_and_wait_range(inode->i_mapping,
+ round_down(from, 1 << log_cluster_size << PAGE_SHIFT),
+ LLONG_MAX);
+ if (err)
+ return err;
+
+ truncate_pagecache(inode, from);
+
+ return f2fs_do_truncate_blocks(inode, round_up(from, PAGE_SIZE), lock);
}
static int f2fs_write_compressed_pages(struct compress_ctx *cc,
@@ -1215,11 +1281,12 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
.page = NULL,
.encrypted_page = NULL,
.compressed_page = NULL,
- .submitted = false,
.io_type = io_type,
.io_wbc = wbc,
- .encrypted = fscrypt_inode_uses_fs_layer_crypto(cc->inode),
+ .encrypted = fscrypt_inode_uses_fs_layer_crypto(cc->inode) ?
+ 1 : 0,
};
+ struct folio *folio;
struct dnode_of_data dn;
struct node_info ni;
struct compress_io_ctx *cic;
@@ -1227,14 +1294,15 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
unsigned int last_index = cc->cluster_size - 1;
loff_t psize;
int i, err;
+ bool quota_inode = IS_NOQUOTA(inode);
- /* we should bypass data pages to proceed the kworkder jobs */
+ /* we should bypass data pages to proceed the kworker jobs */
if (unlikely(f2fs_cp_error(sbi))) {
- mapping_set_error(cc->rpages[0]->mapping, -EIO);
+ mapping_set_error(inode->i_mapping, -EIO);
goto out_free;
}
- if (IS_NOQUOTA(inode)) {
+ if (quota_inode) {
/*
* We need to wait for node_write to avoid block allocation during
* checkpoint. This can only happen to quota writes which can cause
@@ -1252,12 +1320,13 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
goto out_unlock_op;
for (i = 0; i < cc->cluster_size; i++) {
- if (data_blkaddr(dn.inode, dn.node_page,
+ if (data_blkaddr(dn.inode, dn.node_folio,
dn.ofs_in_node + i) == NULL_ADDR)
goto out_put_dnode;
}
- psize = (loff_t)(cc->rpages[last_index]->index + 1) << PAGE_SHIFT;
+ folio = page_folio(cc->rpages[last_index]);
+ psize = folio_next_pos(folio);
err = f2fs_get_node_info(fio.sbi, dn.nid, &ni, false);
if (err)
@@ -1272,7 +1341,7 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
cic->magic = F2FS_COMPRESSED_PAGE_MAGIC;
cic->inode = inode;
atomic_set(&cic->pending_pages, cc->valid_nr_cpages);
- cic->rpages = page_array_alloc(cc->inode, cc->cluster_size);
+ cic->rpages = page_array_alloc(sbi, cc->cluster_size);
if (!cic->rpages)
goto out_put_cic;
@@ -1280,10 +1349,10 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
for (i = 0; i < cc->valid_nr_cpages; i++) {
f2fs_set_compressed_page(cc->cpages[i], inode,
- cc->rpages[i + 1]->index, cic);
+ page_folio(cc->rpages[i + 1])->index, cic);
fio.compressed_page = cc->cpages[i];
- fio.old_blkaddr = data_blkaddr(dn.inode, dn.node_page,
+ fio.old_blkaddr = data_blkaddr(dn.inode, dn.node_folio,
dn.ofs_in_node + i + 1);
/* wait for GCed page writeback via META_MAPPING */
@@ -1315,7 +1384,7 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
if (blkaddr == COMPRESS_ADDR)
fio.compr_blocks++;
if (__is_valid_data_blkaddr(blkaddr))
- f2fs_invalidate_blocks(sbi, blkaddr);
+ f2fs_invalidate_blocks(sbi, blkaddr, 1);
f2fs_update_data_blkaddr(&dn, COMPRESS_ADDR);
goto unlock_continue;
}
@@ -1325,7 +1394,7 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
if (i > cc->valid_nr_cpages) {
if (__is_valid_data_blkaddr(blkaddr)) {
- f2fs_invalidate_blocks(sbi, blkaddr);
+ f2fs_invalidate_blocks(sbi, blkaddr, 1);
f2fs_update_data_blkaddr(&dn, NEW_ADDR);
}
goto unlock_continue;
@@ -1339,11 +1408,20 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
fio.compressed_page = cc->cpages[i - 1];
cc->cpages[i - 1] = NULL;
+ fio.submitted = 0;
f2fs_outplace_write_data(&dn, &fio);
+ if (unlikely(!fio.submitted)) {
+ cancel_cluster_writeback(cc, cic, i);
+
+ /* To call fscrypt_finalize_bounce_page */
+ i = cc->valid_nr_cpages;
+ *submitted = 0;
+ goto out_destroy_crypt;
+ }
(*submitted)++;
unlock_continue:
inode_dec_dirty_pages(cc->inode);
- unlock_page(fio.page);
+ folio_unlock(fio.folio);
}
if (fio.compr_blocks)
@@ -1352,11 +1430,9 @@ unlock_continue:
add_compr_block_stat(inode, cc->valid_nr_cpages);
set_inode_flag(cc->inode, FI_APPEND_WRITE);
- if (cc->cluster_idx == 0)
- set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN);
f2fs_put_dnode(&dn);
- if (IS_NOQUOTA(inode))
+ if (quota_inode)
f2fs_up_read(&sbi->node_write);
else
f2fs_unlock_op(sbi);
@@ -1367,22 +1443,25 @@ unlock_continue:
spin_unlock(&fi->i_size_lock);
f2fs_put_rpages(cc);
- page_array_free(cc->inode, cc->cpages, cc->nr_cpages);
+ page_array_free(sbi, cc->cpages, cc->nr_cpages);
cc->cpages = NULL;
f2fs_destroy_compress_ctx(cc, false);
return 0;
out_destroy_crypt:
- page_array_free(cc->inode, cic->rpages, cc->cluster_size);
+ page_array_free(sbi, cic->rpages, cc->cluster_size);
- for (--i; i >= 0; i--)
+ for (--i; i >= 0; i--) {
+ if (!cc->cpages[i])
+ continue;
fscrypt_finalize_bounce_page(&cc->cpages[i]);
+ }
out_put_cic:
kmem_cache_free(cic_entry_slab, cic);
out_put_dnode:
f2fs_put_dnode(&dn);
out_unlock_op:
- if (IS_NOQUOTA(inode))
+ if (quota_inode)
f2fs_up_read(&sbi->node_write);
else
f2fs_unlock_op(sbi);
@@ -1391,24 +1470,26 @@ out_free:
f2fs_compress_free_page(cc->cpages[i]);
cc->cpages[i] = NULL;
}
- page_array_free(cc->inode, cc->cpages, cc->nr_cpages);
+ page_array_free(sbi, cc->cpages, cc->nr_cpages);
cc->cpages = NULL;
return -EAGAIN;
}
-void f2fs_compress_write_end_io(struct bio *bio, struct page *page)
+void f2fs_compress_write_end_io(struct bio *bio, struct folio *folio)
{
+ struct page *page = &folio->page;
struct f2fs_sb_info *sbi = bio->bi_private;
- struct compress_io_ctx *cic =
- (struct compress_io_ctx *)page_private(page);
+ struct compress_io_ctx *cic = folio->private;
+ enum count_type type = WB_DATA_TYPE(folio,
+ f2fs_is_compressed_page(folio));
int i;
- if (unlikely(bio->bi_status))
+ if (unlikely(bio->bi_status != BLK_STS_OK))
mapping_set_error(cic->inode->i_mapping, -EIO);
f2fs_compress_free_page(page);
- dec_page_count(sbi, F2FS_WB_DATA);
+ dec_page_count(sbi, type);
if (atomic_dec_return(&cic->pending_pages))
return;
@@ -1419,17 +1500,19 @@ void f2fs_compress_write_end_io(struct bio *bio, struct page *page)
end_page_writeback(cic->rpages[i]);
}
- page_array_free(cic->inode, cic->rpages, cic->nr_rpages);
+ page_array_free(sbi, cic->rpages, cic->nr_rpages);
kmem_cache_free(cic_entry_slab, cic);
}
static int f2fs_write_raw_pages(struct compress_ctx *cc,
- int *submitted,
+ int *submitted_p,
struct writeback_control *wbc,
enum iostat_type io_type)
{
struct address_space *mapping = cc->inode->i_mapping;
- int _submitted, compr_blocks, ret, i;
+ struct f2fs_sb_info *sbi = F2FS_M_SB(mapping);
+ int submitted, compr_blocks, i;
+ int ret = 0;
compr_blocks = f2fs_compressed_blocks(cc);
@@ -1444,52 +1527,68 @@ static int f2fs_write_raw_pages(struct compress_ctx *cc,
if (compr_blocks < 0)
return compr_blocks;
+ /* overwrite compressed cluster w/ normal cluster */
+ if (compr_blocks > 0)
+ f2fs_lock_op(sbi);
+
for (i = 0; i < cc->cluster_size; i++) {
+ struct folio *folio;
+
if (!cc->rpages[i])
continue;
+ folio = page_folio(cc->rpages[i]);
retry_write:
- lock_page(cc->rpages[i]);
+ folio_lock(folio);
- if (cc->rpages[i]->mapping != mapping) {
+ if (folio->mapping != mapping) {
continue_unlock:
- unlock_page(cc->rpages[i]);
+ folio_unlock(folio);
continue;
}
- if (!PageDirty(cc->rpages[i]))
+ if (!folio_test_dirty(folio))
goto continue_unlock;
- if (!clear_page_dirty_for_io(cc->rpages[i]))
+ if (folio_test_writeback(folio)) {
+ if (wbc->sync_mode == WB_SYNC_NONE)
+ goto continue_unlock;
+ f2fs_folio_wait_writeback(folio, DATA, true, true);
+ }
+
+ if (!folio_clear_dirty_for_io(folio))
goto continue_unlock;
- ret = f2fs_write_single_data_page(cc->rpages[i], &_submitted,
+ submitted = 0;
+ ret = f2fs_write_single_data_page(folio, &submitted,
NULL, NULL, wbc, io_type,
compr_blocks, false);
if (ret) {
- if (ret == AOP_WRITEPAGE_ACTIVATE) {
- unlock_page(cc->rpages[i]);
+ if (ret == 1) {
ret = 0;
} else if (ret == -EAGAIN) {
+ ret = 0;
/*
* for quota file, just redirty left pages to
* avoid deadlock caused by cluster update race
* from foreground operation.
*/
if (IS_NOQUOTA(cc->inode))
- return 0;
- ret = 0;
- f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
+ goto out;
+ f2fs_schedule_timeout(DEFAULT_SCHEDULE_TIMEOUT);
goto retry_write;
}
- return ret;
+ goto out;
}
- *submitted += _submitted;
+ *submitted_p += submitted;
}
- f2fs_balance_fs(F2FS_M_SB(mapping), true);
+out:
+ if (compr_blocks > 0)
+ f2fs_unlock_op(sbi);
- return 0;
+ f2fs_balance_fs(sbi, true);
+ return ret;
}
int f2fs_write_multi_pages(struct compress_ctx *cc,
@@ -1506,7 +1605,7 @@ int f2fs_write_multi_pages(struct compress_ctx *cc,
add_compr_block_stat(cc->inode, cc->cluster_size);
goto write;
} else if (err) {
- f2fs_put_rpages_wbc(cc, wbc, true, 1);
+ f2fs_put_rpages_wbc(cc, wbc, true, true);
goto destroy_out;
}
@@ -1520,7 +1619,7 @@ write:
f2fs_bug_on(F2FS_I_SB(cc->inode), *submitted);
err = f2fs_write_raw_pages(cc, submitted, wbc, io_type);
- f2fs_put_rpages_wbc(cc, wbc, false, 0);
+ f2fs_put_rpages_wbc(cc, wbc, false, false);
destroy_out:
f2fs_destroy_compress_ctx(cc, false);
return err;
@@ -1535,14 +1634,13 @@ static inline bool allow_memalloc_for_decomp(struct f2fs_sb_info *sbi,
static int f2fs_prepare_decomp_mem(struct decompress_io_ctx *dic,
bool pre_alloc)
{
- const struct f2fs_compress_ops *cops =
- f2fs_cops[F2FS_I(dic->inode)->i_compress_algorithm];
+ const struct f2fs_compress_ops *cops = f2fs_cops[dic->compress_algorithm];
int i;
- if (!allow_memalloc_for_decomp(F2FS_I_SB(dic->inode), pre_alloc))
+ if (!allow_memalloc_for_decomp(dic->sbi, pre_alloc))
return 0;
- dic->tpages = page_array_alloc(dic->inode, dic->cluster_size);
+ dic->tpages = page_array_alloc(dic->sbi, dic->cluster_size);
if (!dic->tpages)
return -ENOMEM;
@@ -1553,8 +1651,6 @@ static int f2fs_prepare_decomp_mem(struct decompress_io_ctx *dic,
}
dic->tpages[i] = f2fs_compress_alloc_page();
- if (!dic->tpages[i])
- return -ENOMEM;
}
dic->rbuf = f2fs_vmap(dic->tpages, dic->cluster_size);
@@ -1574,10 +1670,9 @@ static int f2fs_prepare_decomp_mem(struct decompress_io_ctx *dic,
static void f2fs_release_decomp_mem(struct decompress_io_ctx *dic,
bool bypass_destroy_callback, bool pre_alloc)
{
- const struct f2fs_compress_ops *cops =
- f2fs_cops[F2FS_I(dic->inode)->i_compress_algorithm];
+ const struct f2fs_compress_ops *cops = f2fs_cops[dic->compress_algorithm];
- if (!allow_memalloc_for_decomp(F2FS_I_SB(dic->inode), pre_alloc))
+ if (!allow_memalloc_for_decomp(dic->sbi, pre_alloc))
return;
if (!bypass_destroy_callback && cops->destroy_decompress_ctx)
@@ -1604,7 +1699,7 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc)
if (!dic)
return ERR_PTR(-ENOMEM);
- dic->rpages = page_array_alloc(cc->inode, cc->cluster_size);
+ dic->rpages = page_array_alloc(sbi, cc->cluster_size);
if (!dic->rpages) {
kmem_cache_free(dic_entry_slab, dic);
return ERR_PTR(-ENOMEM);
@@ -1612,6 +1707,8 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc)
dic->magic = F2FS_COMPRESSED_PAGE_MAGIC;
dic->inode = cc->inode;
+ dic->sbi = sbi;
+ dic->compress_algorithm = F2FS_I(cc->inode)->i_compress_algorithm;
atomic_set(&dic->remaining_pages, cc->nr_cpages);
dic->cluster_idx = cc->cluster_idx;
dic->cluster_size = cc->cluster_size;
@@ -1625,7 +1722,7 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc)
dic->rpages[i] = cc->rpages[i];
dic->nr_rpages = cc->cluster_size;
- dic->cpages = page_array_alloc(dic->inode, dic->nr_cpages);
+ dic->cpages = page_array_alloc(sbi, dic->nr_cpages);
if (!dic->cpages) {
ret = -ENOMEM;
goto out_free;
@@ -1635,11 +1732,6 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc)
struct page *page;
page = f2fs_compress_alloc_page();
- if (!page) {
- ret = -ENOMEM;
- goto out_free;
- }
-
f2fs_set_compressed_page(page, cc->inode,
start_idx + i + 1, dic);
dic->cpages[i] = page;
@@ -1660,6 +1752,8 @@ static void f2fs_free_dic(struct decompress_io_ctx *dic,
bool bypass_destroy_callback)
{
int i;
+ /* use sbi in dic to avoid UFA of dic->inode*/
+ struct f2fs_sb_info *sbi = dic->sbi;
f2fs_release_decomp_mem(dic, bypass_destroy_callback, true);
@@ -1671,7 +1765,7 @@ static void f2fs_free_dic(struct decompress_io_ctx *dic,
continue;
f2fs_compress_free_page(dic->tpages[i]);
}
- page_array_free(dic->inode, dic->tpages, dic->cluster_size);
+ page_array_free(sbi, dic->tpages, dic->cluster_size);
}
if (dic->cpages) {
@@ -1680,10 +1774,10 @@ static void f2fs_free_dic(struct decompress_io_ctx *dic,
continue;
f2fs_compress_free_page(dic->cpages[i]);
}
- page_array_free(dic->inode, dic->cpages, dic->nr_cpages);
+ page_array_free(sbi, dic->cpages, dic->nr_cpages);
}
- page_array_free(dic->inode, dic->rpages, dic->nr_rpages);
+ page_array_free(sbi, dic->rpages, dic->nr_rpages);
kmem_cache_free(dic_entry_slab, dic);
}
@@ -1702,8 +1796,7 @@ static void f2fs_put_dic(struct decompress_io_ctx *dic, bool in_task)
f2fs_free_dic(dic, false);
} else {
INIT_WORK(&dic->free_work, f2fs_late_free_dic);
- queue_work(F2FS_I_SB(dic->inode)->post_read_wq,
- &dic->free_work);
+ queue_work(dic->sbi->post_read_wq, &dic->free_work);
}
}
}
@@ -1774,14 +1867,13 @@ void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed,
}
/*
- * Put a reference to a compressed page's decompress_io_ctx.
+ * Put a reference to a compressed folio's decompress_io_ctx.
*
- * This is called when the page is no longer needed and can be freed.
+ * This is called when the folio is no longer needed and can be freed.
*/
-void f2fs_put_page_dic(struct page *page, bool in_task)
+void f2fs_put_folio_dic(struct folio *folio, bool in_task)
{
- struct decompress_io_ctx *dic =
- (struct decompress_io_ctx *)page_private(page);
+ struct decompress_io_ctx *dic = folio->private;
f2fs_put_dic(dic, in_task);
}
@@ -1790,16 +1882,18 @@ void f2fs_put_page_dic(struct page *page, bool in_task)
* check whether cluster blocks are contiguous, and add extent cache entry
* only if cluster blocks are logically and physically contiguous.
*/
-unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn)
+unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn,
+ unsigned int ofs_in_node)
{
- bool compressed = f2fs_data_blkaddr(dn) == COMPRESS_ADDR;
+ bool compressed = data_blkaddr(dn->inode, dn->node_folio,
+ ofs_in_node) == COMPRESS_ADDR;
int i = compressed ? 1 : 0;
- block_t first_blkaddr = data_blkaddr(dn->inode, dn->node_page,
- dn->ofs_in_node + i);
+ block_t first_blkaddr = data_blkaddr(dn->inode, dn->node_folio,
+ ofs_in_node + i);
for (i += 1; i < F2FS_I(dn->inode)->i_cluster_size; i++) {
- block_t blkaddr = data_blkaddr(dn->inode, dn->node_page,
- dn->ofs_in_node + i);
+ block_t blkaddr = data_blkaddr(dn->inode, dn->node_folio,
+ ofs_in_node + i);
if (!__is_valid_data_blkaddr(blkaddr))
break;
@@ -1813,6 +1907,7 @@ unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn)
const struct address_space_operations f2fs_compress_aops = {
.release_folio = f2fs_release_folio,
.invalidate_folio = f2fs_invalidate_folio,
+ .migrate_folio = filemap_migrate_folio,
};
struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi)
@@ -1820,17 +1915,18 @@ struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi)
return sbi->compress_inode->i_mapping;
}
-void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, block_t blkaddr)
+void f2fs_invalidate_compress_pages_range(struct f2fs_sb_info *sbi,
+ block_t blkaddr, unsigned int len)
{
if (!sbi->compress_inode)
return;
- invalidate_mapping_pages(COMPRESS_MAPPING(sbi), blkaddr, blkaddr);
+ invalidate_mapping_pages(COMPRESS_MAPPING(sbi), blkaddr, blkaddr + len - 1);
}
-void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
- nid_t ino, block_t blkaddr)
+static void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi,
+ struct folio *folio, nid_t ino, block_t blkaddr)
{
- struct page *cpage;
+ struct folio *cfolio;
int ret;
if (!test_opt(sbi, COMPRESS_CACHE))
@@ -1842,53 +1938,49 @@ void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
if (!f2fs_available_free_memory(sbi, COMPRESS_PAGE))
return;
- cpage = find_get_page(COMPRESS_MAPPING(sbi), blkaddr);
- if (cpage) {
- f2fs_put_page(cpage, 0);
+ cfolio = filemap_get_folio(COMPRESS_MAPPING(sbi), blkaddr);
+ if (!IS_ERR(cfolio)) {
+ f2fs_folio_put(cfolio, false);
return;
}
- cpage = alloc_page(__GFP_NOWARN | __GFP_IO);
- if (!cpage)
+ cfolio = filemap_alloc_folio(__GFP_NOWARN | __GFP_IO, 0, NULL);
+ if (!cfolio)
return;
- ret = add_to_page_cache_lru(cpage, COMPRESS_MAPPING(sbi),
+ ret = filemap_add_folio(COMPRESS_MAPPING(sbi), cfolio,
blkaddr, GFP_NOFS);
if (ret) {
- f2fs_put_page(cpage, 0);
+ f2fs_folio_put(cfolio, false);
return;
}
- set_page_private_data(cpage, ino);
+ folio_set_f2fs_data(cfolio, ino);
- if (!f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC_ENHANCE_READ))
- goto out;
-
- memcpy(page_address(cpage), page_address(page), PAGE_SIZE);
- SetPageUptodate(cpage);
-out:
- f2fs_put_page(cpage, 1);
+ memcpy(folio_address(cfolio), folio_address(folio), PAGE_SIZE);
+ folio_mark_uptodate(cfolio);
+ f2fs_folio_put(cfolio, true);
}
-bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
+bool f2fs_load_compressed_folio(struct f2fs_sb_info *sbi, struct folio *folio,
block_t blkaddr)
{
- struct page *cpage;
+ struct folio *cfolio;
bool hitted = false;
if (!test_opt(sbi, COMPRESS_CACHE))
return false;
- cpage = f2fs_pagecache_get_page(COMPRESS_MAPPING(sbi),
+ cfolio = f2fs_filemap_get_folio(COMPRESS_MAPPING(sbi),
blkaddr, FGP_LOCK | FGP_NOWAIT, GFP_NOFS);
- if (cpage) {
- if (PageUptodate(cpage)) {
+ if (!IS_ERR(cfolio)) {
+ if (folio_test_uptodate(cfolio)) {
atomic_inc(&sbi->compress_page_hit);
- memcpy(page_address(page),
- page_address(cpage), PAGE_SIZE);
+ memcpy(folio_address(folio),
+ folio_address(cfolio), folio_size(folio));
hitted = true;
}
- f2fs_put_page(cpage, 1);
+ f2fs_folio_put(cfolio, true);
}
return hitted;
@@ -1922,12 +2014,12 @@ void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino)
continue;
}
- if (ino != get_page_private_data(&folio->page)) {
+ if (ino != folio_get_f2fs_data(folio)) {
folio_unlock(folio);
continue;
}
- generic_error_remove_page(mapping, &folio->page);
+ generic_error_remove_folio(mapping, folio);
folio_unlock(folio);
}
folio_batch_release(&fbatch);
@@ -1966,7 +2058,7 @@ void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi)
int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi)
{
dev_t dev = sbi->sb->s_bdev->bd_dev;
- char slab_name[32];
+ char slab_name[35];
if (!f2fs_sb_has_compression(sbi))
return 0;
generated by cgit (git 2.34.1) at 2025-12-21 22:51:57 +0000