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-rw-r--r--fs/ubifs/compress.c247
-rw-r--r--fs/ubifs/crypto.c2
-rw-r--r--fs/ubifs/file.c18
-rw-r--r--fs/ubifs/ioctl.c4
-rw-r--r--fs/ubifs/journal.c2
-rw-r--r--fs/ubifs/ubifs.h4
6 files changed, 130 insertions, 147 deletions
diff --git a/fs/ubifs/compress.c b/fs/ubifs/compress.c
index ea6f06adcd43..059a02691edd 100644
--- a/fs/ubifs/compress.c
+++ b/fs/ubifs/compress.c
@@ -19,6 +19,11 @@
#include <linux/highmem.h>
#include "ubifs.h"
+union ubifs_in_ptr {
+ const void *buf;
+ struct folio *folio;
+};
+
/* Fake description object for the "none" compressor */
static struct ubifs_compressor none_compr = {
.compr_type = UBIFS_COMPR_NONE,
@@ -68,28 +73,61 @@ static struct ubifs_compressor zstd_compr = {
/* All UBIFS compressors */
struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
-static int ubifs_compress_req(const struct ubifs_info *c,
- struct acomp_req *req,
- void *out_buf, int *out_len,
- const char *compr_name)
+static void ubifs_compress_common(int *compr_type, union ubifs_in_ptr in_ptr,
+ size_t in_offset, int in_len, bool in_folio,
+ void *out_buf, int *out_len)
{
- struct crypto_wait wait;
- int in_len = req->slen;
+ struct ubifs_compressor *compr = ubifs_compressors[*compr_type];
int dlen = *out_len;
int err;
+ if (*compr_type == UBIFS_COMPR_NONE)
+ goto no_compr;
+
+ /* If the input data is small, do not even try to compress it */
+ if (in_len < UBIFS_MIN_COMPR_LEN)
+ goto no_compr;
+
dlen = min(dlen, in_len - UBIFS_MIN_COMPRESS_DIFF);
- crypto_init_wait(&wait);
- acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
- crypto_req_done, &wait);
- acomp_request_set_dst_dma(req, out_buf, dlen);
- err = crypto_acomp_compress(req);
- err = crypto_wait_req(err, &wait);
- *out_len = req->dlen;
- acomp_request_free(req);
+ do {
+ ACOMP_REQUEST_ON_STACK(req, compr->cc);
+ DECLARE_CRYPTO_WAIT(wait);
+
+ acomp_request_set_callback(req, 0, NULL, NULL);
+ if (in_folio)
+ acomp_request_set_src_folio(req, in_ptr.folio,
+ in_offset, in_len);
+ else
+ acomp_request_set_src_dma(req, in_ptr.buf, in_len);
+ acomp_request_set_dst_dma(req, out_buf, dlen);
+ err = crypto_acomp_compress(req);
+ dlen = req->dlen;
+ if (err != -EAGAIN)
+ break;
+
+ req = ACOMP_REQUEST_CLONE(req, GFP_NOFS | __GFP_NOWARN);
+ acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ crypto_req_done, &wait);
+ err = crypto_acomp_compress(req);
+ err = crypto_wait_req(err, &wait);
+ dlen = req->dlen;
+ acomp_request_free(req);
+ } while (0);
+
+ *out_len = dlen;
+ if (err)
+ goto no_compr;
- return err;
+ return;
+
+no_compr:
+ if (in_folio)
+ memcpy_from_folio(out_buf, in_ptr.folio, in_offset, in_len);
+ else
+ memcpy(out_buf, in_ptr.buf, in_len);
+ *out_len = in_len;
+ *compr_type = UBIFS_COMPR_NONE;
}
/**
@@ -114,32 +152,10 @@ static int ubifs_compress_req(const struct ubifs_info *c,
void ubifs_compress(const struct ubifs_info *c, const void *in_buf,
int in_len, void *out_buf, int *out_len, int *compr_type)
{
- int err;
- struct ubifs_compressor *compr = ubifs_compressors[*compr_type];
-
- if (*compr_type == UBIFS_COMPR_NONE)
- goto no_compr;
+ union ubifs_in_ptr in_ptr = { .buf = in_buf };
- /* If the input data is small, do not even try to compress it */
- if (in_len < UBIFS_MIN_COMPR_LEN)
- goto no_compr;
-
- {
- ACOMP_REQUEST_ALLOC(req, compr->cc, GFP_NOFS | __GFP_NOWARN);
-
- acomp_request_set_src_dma(req, in_buf, in_len);
- err = ubifs_compress_req(c, req, out_buf, out_len, compr->name);
- }
-
- if (err)
- goto no_compr;
-
- return;
-
-no_compr:
- memcpy(out_buf, in_buf, in_len);
- *out_len = in_len;
- *compr_type = UBIFS_COMPR_NONE;
+ ubifs_compress_common(compr_type, in_ptr, 0, in_len, false,
+ out_buf, out_len);
}
/**
@@ -166,55 +182,71 @@ void ubifs_compress_folio(const struct ubifs_info *c, struct folio *in_folio,
size_t in_offset, int in_len, void *out_buf,
int *out_len, int *compr_type)
{
- int err;
- struct ubifs_compressor *compr = ubifs_compressors[*compr_type];
+ union ubifs_in_ptr in_ptr = { .folio = in_folio };
- if (*compr_type == UBIFS_COMPR_NONE)
- goto no_compr;
-
- /* If the input data is small, do not even try to compress it */
- if (in_len < UBIFS_MIN_COMPR_LEN)
- goto no_compr;
+ ubifs_compress_common(compr_type, in_ptr, in_offset, in_len, true,
+ out_buf, out_len);
+}
- {
- ACOMP_REQUEST_ALLOC(req, compr->cc, GFP_NOFS | __GFP_NOWARN);
+static int ubifs_decompress_common(const struct ubifs_info *c,
+ const void *in_buf, int in_len,
+ void *out_ptr, size_t out_offset,
+ int *out_len, bool out_folio,
+ int compr_type)
+{
+ struct ubifs_compressor *compr;
+ int dlen = *out_len;
+ int err;
- acomp_request_set_src_folio(req, in_folio, in_offset, in_len);
- err = ubifs_compress_req(c, req, out_buf, out_len, compr->name);
+ if (unlikely(compr_type < 0 || compr_type >= UBIFS_COMPR_TYPES_CNT)) {
+ ubifs_err(c, "invalid compression type %d", compr_type);
+ return -EINVAL;
}
- if (err)
- goto no_compr;
-
- return;
+ compr = ubifs_compressors[compr_type];
-no_compr:
- memcpy_from_folio(out_buf, in_folio, in_offset, in_len);
- *out_len = in_len;
- *compr_type = UBIFS_COMPR_NONE;
-}
+ if (unlikely(!compr->capi_name)) {
+ ubifs_err(c, "%s compression is not compiled in", compr->name);
+ return -EINVAL;
+ }
-static int ubifs_decompress_req(const struct ubifs_info *c,
- struct acomp_req *req,
- const void *in_buf, int in_len, int *out_len,
- const char *compr_name)
-{
- struct crypto_wait wait;
- int err;
+ if (compr_type == UBIFS_COMPR_NONE) {
+ if (out_folio)
+ memcpy_to_folio(out_ptr, out_offset, in_buf, in_len);
+ else
+ memcpy(out_ptr, in_buf, in_len);
+ *out_len = in_len;
+ return 0;
+ }
- crypto_init_wait(&wait);
- acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
- crypto_req_done, &wait);
- acomp_request_set_src_dma(req, in_buf, in_len);
- err = crypto_acomp_decompress(req);
- err = crypto_wait_req(err, &wait);
- *out_len = req->dlen;
+ do {
+ ACOMP_REQUEST_ON_STACK(req, compr->cc);
+ DECLARE_CRYPTO_WAIT(wait);
+ acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ crypto_req_done, &wait);
+ acomp_request_set_src_dma(req, in_buf, in_len);
+ if (out_folio)
+ acomp_request_set_dst_folio(req, out_ptr, out_offset,
+ dlen);
+ else
+ acomp_request_set_dst_dma(req, out_ptr, dlen);
+ err = crypto_acomp_decompress(req);
+ dlen = req->dlen;
+ if (err != -EAGAIN)
+ break;
+
+ req = ACOMP_REQUEST_CLONE(req, GFP_NOFS | __GFP_NOWARN);
+ err = crypto_acomp_decompress(req);
+ err = crypto_wait_req(err, &wait);
+ dlen = req->dlen;
+ acomp_request_free(req);
+ } while (0);
+
+ *out_len = dlen;
if (err)
ubifs_err(c, "cannot decompress %d bytes, compressor %s, error %d",
- in_len, compr_name, err);
-
- acomp_request_free(req);
+ in_len, compr->name, err);
return err;
}
@@ -235,33 +267,8 @@ static int ubifs_decompress_req(const struct ubifs_info *c,
int ubifs_decompress(const struct ubifs_info *c, const void *in_buf,
int in_len, void *out_buf, int *out_len, int compr_type)
{
- struct ubifs_compressor *compr;
-
- if (unlikely(compr_type < 0 || compr_type >= UBIFS_COMPR_TYPES_CNT)) {
- ubifs_err(c, "invalid compression type %d", compr_type);
- return -EINVAL;
- }
-
- compr = ubifs_compressors[compr_type];
-
- if (unlikely(!compr->capi_name)) {
- ubifs_err(c, "%s compression is not compiled in", compr->name);
- return -EINVAL;
- }
-
- if (compr_type == UBIFS_COMPR_NONE) {
- memcpy(out_buf, in_buf, in_len);
- *out_len = in_len;
- return 0;
- }
-
- {
- ACOMP_REQUEST_ALLOC(req, compr->cc, GFP_NOFS | __GFP_NOWARN);
-
- acomp_request_set_dst_dma(req, out_buf, *out_len);
- return ubifs_decompress_req(c, req, in_buf, in_len, out_len,
- compr->name);
- }
+ return ubifs_decompress_common(c, in_buf, in_len, out_buf, 0, out_len,
+ false, compr_type);
}
/**
@@ -283,34 +290,8 @@ int ubifs_decompress_folio(const struct ubifs_info *c, const void *in_buf,
int in_len, struct folio *out_folio,
size_t out_offset, int *out_len, int compr_type)
{
- struct ubifs_compressor *compr;
-
- if (unlikely(compr_type < 0 || compr_type >= UBIFS_COMPR_TYPES_CNT)) {
- ubifs_err(c, "invalid compression type %d", compr_type);
- return -EINVAL;
- }
-
- compr = ubifs_compressors[compr_type];
-
- if (unlikely(!compr->capi_name)) {
- ubifs_err(c, "%s compression is not compiled in", compr->name);
- return -EINVAL;
- }
-
- if (compr_type == UBIFS_COMPR_NONE) {
- memcpy_to_folio(out_folio, out_offset, in_buf, in_len);
- *out_len = in_len;
- return 0;
- }
-
- {
- ACOMP_REQUEST_ALLOC(req, compr->cc, GFP_NOFS | __GFP_NOWARN);
-
- acomp_request_set_dst_folio(req, out_folio, out_offset,
- *out_len);
- return ubifs_decompress_req(c, req, in_buf, in_len, out_len,
- compr->name);
- }
+ return ubifs_decompress_common(c, in_buf, in_len, out_folio,
+ out_offset, out_len, true, compr_type);
}
/**
diff --git a/fs/ubifs/crypto.c b/fs/ubifs/crypto.c
index 921f9033d0d2..fb5ac358077b 100644
--- a/fs/ubifs/crypto.c
+++ b/fs/ubifs/crypto.c
@@ -51,7 +51,7 @@ int ubifs_encrypt(const struct inode *inode, struct ubifs_data_node *dn,
memset(p + in_len, 0, pad_len - in_len);
err = fscrypt_encrypt_block_inplace(inode, virt_to_page(p), pad_len,
- offset_in_page(p), block, GFP_NOFS);
+ offset_in_page(p), block);
if (err) {
ubifs_err(c, "fscrypt_encrypt_block_inplace() failed: %d", err);
return err;
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index bf311c38d9a8..04dae67c0266 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -404,7 +404,8 @@ static int allocate_budget(struct ubifs_info *c, struct folio *folio,
* there is a plenty of flash space and the budget will be acquired quickly,
* without forcing write-back. The slow path does not make this assumption.
*/
-static int ubifs_write_begin(struct file *file, struct address_space *mapping,
+static int ubifs_write_begin(const struct kiocb *iocb,
+ struct address_space *mapping,
loff_t pos, unsigned len,
struct folio **foliop, void **fsdata)
{
@@ -514,8 +515,9 @@ static void cancel_budget(struct ubifs_info *c, struct folio *folio,
}
}
-static int ubifs_write_end(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned copied,
+static int ubifs_write_end(const struct kiocb *iocb,
+ struct address_space *mapping, loff_t pos,
+ unsigned len, unsigned copied,
struct folio *folio, void *fsdata)
{
struct inode *inode = mapping->host;
@@ -1579,17 +1581,17 @@ static const struct vm_operations_struct ubifs_file_vm_ops = {
.page_mkwrite = ubifs_vm_page_mkwrite,
};
-static int ubifs_file_mmap(struct file *file, struct vm_area_struct *vma)
+static int ubifs_file_mmap_prepare(struct vm_area_desc *desc)
{
int err;
- err = generic_file_mmap(file, vma);
+ err = generic_file_mmap_prepare(desc);
if (err)
return err;
- vma->vm_ops = &ubifs_file_vm_ops;
+ desc->vm_ops = &ubifs_file_vm_ops;
if (IS_ENABLED(CONFIG_UBIFS_ATIME_SUPPORT))
- file_accessed(file);
+ file_accessed(desc->file);
return 0;
}
@@ -1652,7 +1654,7 @@ const struct file_operations ubifs_file_operations = {
.llseek = generic_file_llseek,
.read_iter = generic_file_read_iter,
.write_iter = ubifs_write_iter,
- .mmap = ubifs_file_mmap,
+ .mmap_prepare = ubifs_file_mmap_prepare,
.fsync = ubifs_fsync,
.unlocked_ioctl = ubifs_ioctl,
.splice_read = filemap_splice_read,
diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c
index 2c99349cf537..79536b2e3d7a 100644
--- a/fs/ubifs/ioctl.c
+++ b/fs/ubifs/ioctl.c
@@ -130,7 +130,7 @@ static int setflags(struct inode *inode, int flags)
return err;
}
-int ubifs_fileattr_get(struct dentry *dentry, struct fileattr *fa)
+int ubifs_fileattr_get(struct dentry *dentry, struct file_kattr *fa)
{
struct inode *inode = d_inode(dentry);
int flags = ubifs2ioctl(ubifs_inode(inode)->flags);
@@ -145,7 +145,7 @@ int ubifs_fileattr_get(struct dentry *dentry, struct fileattr *fa)
}
int ubifs_fileattr_set(struct mnt_idmap *idmap,
- struct dentry *dentry, struct fileattr *fa)
+ struct dentry *dentry, struct file_kattr *fa)
{
struct inode *inode = d_inode(dentry);
int flags = fa->flags;
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index ee954e64ce7f..e28ab4395e5c 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -985,7 +985,7 @@ int ubifs_jnl_write_inode(struct ubifs_info *c, const struct inode *inode)
dbg_jnl("ino %lu, nlink %u", inode->i_ino, inode->i_nlink);
if (kill_xattrs && ui->xattr_cnt > ubifs_xattr_max_cnt(c)) {
- ubifs_err(c, "Cannot delete inode, it has too much xattrs!");
+ ubifs_err(c, "Cannot delete inode, it has too many xattrs!");
err = -EPERM;
ubifs_ro_mode(c, err);
return err;
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 256dbaeeb0de..5db45c9e26ee 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -2073,9 +2073,9 @@ int ubifs_recover_size(struct ubifs_info *c, bool in_place);
void ubifs_destroy_size_tree(struct ubifs_info *c);
/* ioctl.c */
-int ubifs_fileattr_get(struct dentry *dentry, struct fileattr *fa);
+int ubifs_fileattr_get(struct dentry *dentry, struct file_kattr *fa);
int ubifs_fileattr_set(struct mnt_idmap *idmap,
- struct dentry *dentry, struct fileattr *fa);
+ struct dentry *dentry, struct file_kattr *fa);
long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
void ubifs_set_inode_flags(struct inode *inode);
#ifdef CONFIG_COMPAT