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Diffstat (limited to 'fs/f2fs/namei.c')
-rw-r--r--fs/f2fs/namei.c1021
1 files changed, 564 insertions, 457 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 62d9829f3a6a..043d20516a21 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -10,6 +10,7 @@
#include <linux/pagemap.h>
#include <linux/sched.h>
#include <linux/ctype.h>
+#include <linux/random.h>
#include <linux/dcache.h>
#include <linux/namei.h>
#include <linux/quotaops.h>
@@ -21,12 +22,210 @@
#include "acl.h"
#include <trace/events/f2fs.h>
-static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
+static inline bool is_extension_exist(const unsigned char *s, const char *sub,
+ bool tmp_ext, bool tmp_dot)
+{
+ size_t slen = strlen(s);
+ size_t sublen = strlen(sub);
+ int i;
+
+ if (sublen == 1 && *sub == '*')
+ return true;
+
+ /*
+ * filename format of multimedia file should be defined as:
+ * "filename + '.' + extension + (optional: '.' + temp extension)".
+ */
+ if (slen < sublen + 2)
+ return false;
+
+ if (!tmp_ext) {
+ /* file has no temp extension */
+ if (s[slen - sublen - 1] != '.')
+ return false;
+ return !strncasecmp(s + slen - sublen, sub, sublen);
+ }
+
+ for (i = 1; i < slen - sublen; i++) {
+ if (s[i] != '.')
+ continue;
+ if (!strncasecmp(s + i + 1, sub, sublen)) {
+ if (!tmp_dot)
+ return true;
+ if (i == slen - sublen - 1 || s[i + 1 + sublen] == '.')
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static inline bool is_temperature_extension(const unsigned char *s, const char *sub)
+{
+ return is_extension_exist(s, sub, true, false);
+}
+
+static inline bool is_compress_extension(const unsigned char *s, const char *sub)
+{
+ return is_extension_exist(s, sub, true, true);
+}
+
+int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
+ bool hot, bool set)
+{
+ __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
+ int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
+ int hot_count = sbi->raw_super->hot_ext_count;
+ int total_count = cold_count + hot_count;
+ int start, count;
+ int i;
+
+ if (set) {
+ if (total_count == F2FS_MAX_EXTENSION)
+ return -EINVAL;
+ } else {
+ if (!hot && !cold_count)
+ return -EINVAL;
+ if (hot && !hot_count)
+ return -EINVAL;
+ }
+
+ if (hot) {
+ start = cold_count;
+ count = total_count;
+ } else {
+ start = 0;
+ count = cold_count;
+ }
+
+ for (i = start; i < count; i++) {
+ if (strcmp(name, extlist[i]))
+ continue;
+
+ if (set)
+ return -EINVAL;
+
+ memcpy(extlist[i], extlist[i + 1],
+ F2FS_EXTENSION_LEN * (total_count - i - 1));
+ memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
+ if (hot)
+ sbi->raw_super->hot_ext_count = hot_count - 1;
+ else
+ sbi->raw_super->extension_count =
+ cpu_to_le32(cold_count - 1);
+ return 0;
+ }
+
+ if (!set)
+ return -EINVAL;
+
+ if (hot) {
+ memcpy(extlist[count], name, strlen(name));
+ sbi->raw_super->hot_ext_count = hot_count + 1;
+ } else {
+ char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
+
+ memcpy(buf, &extlist[cold_count],
+ F2FS_EXTENSION_LEN * hot_count);
+ memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
+ memcpy(extlist[cold_count], name, strlen(name));
+ memcpy(&extlist[cold_count + 1], buf,
+ F2FS_EXTENSION_LEN * hot_count);
+ sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
+ }
+ return 0;
+}
+
+static void set_compress_new_inode(struct f2fs_sb_info *sbi, struct inode *dir,
+ struct inode *inode, const unsigned char *name)
+{
+ __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
+ unsigned char (*noext)[F2FS_EXTENSION_LEN] =
+ F2FS_OPTION(sbi).noextensions;
+ unsigned char (*ext)[F2FS_EXTENSION_LEN] = F2FS_OPTION(sbi).extensions;
+ unsigned char ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
+ unsigned char noext_cnt = F2FS_OPTION(sbi).nocompress_ext_cnt;
+ int i, cold_count, hot_count;
+
+ if (!f2fs_sb_has_compression(sbi))
+ return;
+
+ if (S_ISDIR(inode->i_mode))
+ goto inherit_comp;
+
+ /* This name comes only from normal files. */
+ if (!name)
+ return;
+
+ /* Don't compress hot files. */
+ f2fs_down_read(&sbi->sb_lock);
+ cold_count = le32_to_cpu(sbi->raw_super->extension_count);
+ hot_count = sbi->raw_super->hot_ext_count;
+ for (i = cold_count; i < cold_count + hot_count; i++)
+ if (is_temperature_extension(name, extlist[i]))
+ break;
+ f2fs_up_read(&sbi->sb_lock);
+ if (i < (cold_count + hot_count))
+ return;
+
+ /* Don't compress unallowed extension. */
+ for (i = 0; i < noext_cnt; i++)
+ if (is_compress_extension(name, noext[i]))
+ return;
+
+ /* Compress wanting extension. */
+ for (i = 0; i < ext_cnt; i++) {
+ if (is_compress_extension(name, ext[i])) {
+ set_compress_context(inode);
+ return;
+ }
+ }
+inherit_comp:
+ /* Inherit the {no-}compression flag in directory */
+ if (F2FS_I(dir)->i_flags & F2FS_NOCOMP_FL) {
+ F2FS_I(inode)->i_flags |= F2FS_NOCOMP_FL;
+ f2fs_mark_inode_dirty_sync(inode, true);
+ } else if (F2FS_I(dir)->i_flags & F2FS_COMPR_FL) {
+ set_compress_context(inode);
+ }
+}
+
+/*
+ * Set file's temperature for hot/cold data separation
+ */
+static void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *inode,
+ const unsigned char *name)
+{
+ __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
+ int i, cold_count, hot_count;
+
+ f2fs_down_read(&sbi->sb_lock);
+ cold_count = le32_to_cpu(sbi->raw_super->extension_count);
+ hot_count = sbi->raw_super->hot_ext_count;
+ for (i = 0; i < cold_count + hot_count; i++)
+ if (is_temperature_extension(name, extlist[i]))
+ break;
+ f2fs_up_read(&sbi->sb_lock);
+
+ if (i == cold_count + hot_count)
+ return;
+
+ if (i < cold_count)
+ file_set_cold(inode);
+ else
+ file_set_hot(inode);
+}
+
+static struct inode *f2fs_new_inode(struct mnt_idmap *idmap,
+ struct inode *dir, umode_t mode,
+ const char *name)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
+ struct f2fs_inode_info *fi;
nid_t ino;
struct inode *inode;
bool nid_free = false;
+ bool encrypt = false;
int xattr_size = 0;
int err;
@@ -34,26 +233,24 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
if (!inode)
return ERR_PTR(-ENOMEM);
- f2fs_lock_op(sbi);
if (!f2fs_alloc_nid(sbi, &ino)) {
- f2fs_unlock_op(sbi);
err = -ENOSPC;
goto fail;
}
- f2fs_unlock_op(sbi);
nid_free = true;
- inode_init_owner(inode, dir, mode);
+ inode_init_owner(idmap, inode, dir, mode);
+ fi = F2FS_I(inode);
inode->i_ino = ino;
inode->i_blocks = 0;
- inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
- F2FS_I(inode)->i_crtime = inode->i_mtime;
- inode->i_generation = sbi->s_next_generation++;
+ simple_inode_init_ts(inode);
+ fi->i_crtime = inode_get_mtime(inode);
+ inode->i_generation = get_random_u32();
if (S_ISDIR(inode->i_mode))
- F2FS_I(inode)->i_current_depth = 1;
+ fi->i_current_depth = 1;
err = insert_inode_locked(inode);
if (err) {
@@ -63,32 +260,32 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
if (f2fs_sb_has_project_quota(sbi) &&
(F2FS_I(dir)->i_flags & F2FS_PROJINHERIT_FL))
- F2FS_I(inode)->i_projid = F2FS_I(dir)->i_projid;
+ fi->i_projid = F2FS_I(dir)->i_projid;
else
- F2FS_I(inode)->i_projid = make_kprojid(&init_user_ns,
+ fi->i_projid = make_kprojid(&init_user_ns,
F2FS_DEF_PROJID);
- err = dquot_initialize(inode);
+ err = fscrypt_prepare_new_inode(dir, inode, &encrypt);
+ if (err)
+ goto fail_drop;
+
+ err = f2fs_dquot_initialize(inode);
if (err)
goto fail_drop;
set_inode_flag(inode, FI_NEW_INODE);
- /* If the directory encrypted, then we should encrypt the inode. */
- if ((f2fs_encrypted_inode(dir) || DUMMY_ENCRYPTION_ENABLED(sbi)) &&
- f2fs_may_encrypt(inode))
+ if (encrypt)
f2fs_set_encrypted_inode(inode);
if (f2fs_sb_has_extra_attr(sbi)) {
set_inode_flag(inode, FI_EXTRA_ATTR);
- F2FS_I(inode)->i_extra_isize = F2FS_TOTAL_EXTRA_ATTR_SIZE;
+ fi->i_extra_isize = F2FS_TOTAL_EXTRA_ATTR_SIZE;
}
if (test_opt(sbi, INLINE_XATTR))
set_inode_flag(inode, FI_INLINE_XATTR);
- if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
- set_inode_flag(inode, FI_INLINE_DATA);
if (f2fs_may_inline_dentry(inode))
set_inode_flag(inode, FI_INLINE_DENTRY);
@@ -101,25 +298,35 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
f2fs_has_inline_dentry(inode)) {
xattr_size = DEFAULT_INLINE_XATTR_ADDRS;
}
- F2FS_I(inode)->i_inline_xattr_size = xattr_size;
-
- f2fs_init_extent_tree(inode, NULL);
-
- stat_inc_inline_xattr(inode);
- stat_inc_inline_inode(inode);
- stat_inc_inline_dir(inode);
+ fi->i_inline_xattr_size = xattr_size;
- F2FS_I(inode)->i_flags =
+ fi->i_flags =
f2fs_mask_flags(mode, F2FS_I(dir)->i_flags & F2FS_FL_INHERITED);
if (S_ISDIR(inode->i_mode))
- F2FS_I(inode)->i_flags |= F2FS_INDEX_FL;
+ fi->i_flags |= F2FS_INDEX_FL;
- if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL)
+ if (fi->i_flags & F2FS_PROJINHERIT_FL)
set_inode_flag(inode, FI_PROJ_INHERIT);
+ /* Check compression first. */
+ set_compress_new_inode(sbi, dir, inode, name);
+
+ /* Should enable inline_data after compression set */
+ if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
+ set_inode_flag(inode, FI_INLINE_DATA);
+
+ if (name && !test_opt(sbi, DISABLE_EXT_IDENTIFY))
+ set_file_temperature(sbi, inode, name);
+
+ stat_inc_inline_xattr(inode);
+ stat_inc_inline_inode(inode);
+ stat_inc_inline_dir(inode);
+
f2fs_set_inode_flags(inode);
+ f2fs_init_extent_tree(inode);
+
trace_f2fs_new_inode(inode, 0);
return inode;
@@ -134,6 +341,7 @@ fail_drop:
trace_f2fs_new_inode(inode, err);
dquot_drop(inode);
inode->i_flags |= S_NOQUOTA;
+ make_bad_inode(inode);
if (nid_free)
set_inode_flag(inode, FI_FREE_NID);
clear_nlink(inode);
@@ -142,127 +350,8 @@ fail_drop:
return ERR_PTR(err);
}
-static int is_extension_exist(const unsigned char *s, const char *sub)
-{
- size_t slen = strlen(s);
- size_t sublen = strlen(sub);
- int i;
-
- /*
- * filename format of multimedia file should be defined as:
- * "filename + '.' + extension + (optional: '.' + temp extension)".
- */
- if (slen < sublen + 2)
- return 0;
-
- for (i = 1; i < slen - sublen; i++) {
- if (s[i] != '.')
- continue;
- if (!strncasecmp(s + i + 1, sub, sublen))
- return 1;
- }
-
- return 0;
-}
-
-/*
- * Set multimedia files as cold files for hot/cold data separation
- */
-static inline void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *inode,
- const unsigned char *name)
-{
- __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
- int i, cold_count, hot_count;
-
- down_read(&sbi->sb_lock);
-
- cold_count = le32_to_cpu(sbi->raw_super->extension_count);
- hot_count = sbi->raw_super->hot_ext_count;
-
- for (i = 0; i < cold_count + hot_count; i++) {
- if (is_extension_exist(name, extlist[i]))
- break;
- }
-
- up_read(&sbi->sb_lock);
-
- if (i == cold_count + hot_count)
- return;
-
- if (i < cold_count)
- file_set_cold(inode);
- else
- file_set_hot(inode);
-}
-
-int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
- bool hot, bool set)
-{
- __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
- int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
- int hot_count = sbi->raw_super->hot_ext_count;
- int total_count = cold_count + hot_count;
- int start, count;
- int i;
-
- if (set) {
- if (total_count == F2FS_MAX_EXTENSION)
- return -EINVAL;
- } else {
- if (!hot && !cold_count)
- return -EINVAL;
- if (hot && !hot_count)
- return -EINVAL;
- }
-
- if (hot) {
- start = cold_count;
- count = total_count;
- } else {
- start = 0;
- count = cold_count;
- }
-
- for (i = start; i < count; i++) {
- if (strcmp(name, extlist[i]))
- continue;
-
- if (set)
- return -EINVAL;
-
- memcpy(extlist[i], extlist[i + 1],
- F2FS_EXTENSION_LEN * (total_count - i - 1));
- memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
- if (hot)
- sbi->raw_super->hot_ext_count = hot_count - 1;
- else
- sbi->raw_super->extension_count =
- cpu_to_le32(cold_count - 1);
- return 0;
- }
-
- if (!set)
- return -EINVAL;
-
- if (hot) {
- memcpy(extlist[count], name, strlen(name));
- sbi->raw_super->hot_ext_count = hot_count + 1;
- } else {
- char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
-
- memcpy(buf, &extlist[cold_count],
- F2FS_EXTENSION_LEN * hot_count);
- memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
- memcpy(extlist[cold_count], name, strlen(name));
- memcpy(&extlist[cold_count + 1], buf,
- F2FS_EXTENSION_LEN * hot_count);
- sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
- }
- return 0;
-}
-
-static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool excl)
+static int f2fs_create(struct mnt_idmap *idmap, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode;
@@ -271,21 +360,17 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
- err = dquot_initialize(dir);
+ err = f2fs_dquot_initialize(dir);
if (err)
return err;
- inode = f2fs_new_inode(dir, mode);
+ inode = f2fs_new_inode(idmap, dir, mode, dentry->d_name.name);
if (IS_ERR(inode))
return PTR_ERR(inode);
- if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
- set_file_temperature(sbi, inode, dentry->d_name.name);
-
inode->i_op = &f2fs_file_inode_operations;
inode->i_fop = &f2fs_file_operations;
inode->i_mapping->a_ops = &f2fs_dblock_aops;
@@ -320,9 +405,8 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
err = fscrypt_prepare_link(old_dentry, dir, dentry);
if (err)
@@ -330,16 +414,16 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
if (is_inode_flag_set(dir, FI_PROJ_INHERIT) &&
(!projid_eq(F2FS_I(dir)->i_projid,
- F2FS_I(old_dentry->d_inode)->i_projid)))
+ F2FS_I(inode)->i_projid)))
return -EXDEV;
- err = dquot_initialize(dir);
+ err = f2fs_dquot_initialize(dir);
if (err)
return err;
f2fs_balance_fs(sbi, true);
- inode->i_ctime = current_time(inode);
+ inode_set_ctime_current(inode);
ihold(inode);
set_inode_flag(inode, FI_INC_LINK);
@@ -363,101 +447,54 @@ out:
struct dentry *f2fs_get_parent(struct dentry *child)
{
- struct qstr dotdot = QSTR_INIT("..", 2);
- struct page *page;
- unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot, &page);
+ struct folio *folio;
+ unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot_name, &folio);
+
if (!ino) {
- if (IS_ERR(page))
- return ERR_CAST(page);
+ if (IS_ERR(folio))
+ return ERR_CAST(folio);
return ERR_PTR(-ENOENT);
}
return d_obtain_alias(f2fs_iget(child->d_sb, ino));
}
-static int __recover_dot_dentries(struct inode *dir, nid_t pino)
-{
- struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
- struct qstr dot = QSTR_INIT(".", 1);
- struct qstr dotdot = QSTR_INIT("..", 2);
- struct f2fs_dir_entry *de;
- struct page *page;
- int err = 0;
-
- if (f2fs_readonly(sbi->sb)) {
- f2fs_msg(sbi->sb, KERN_INFO,
- "skip recovering inline_dots inode (ino:%lu, pino:%u) "
- "in readonly mountpoint", dir->i_ino, pino);
- return 0;
- }
-
- err = dquot_initialize(dir);
- if (err)
- return err;
-
- f2fs_balance_fs(sbi, true);
-
- f2fs_lock_op(sbi);
-
- de = f2fs_find_entry(dir, &dot, &page);
- if (de) {
- f2fs_put_page(page, 0);
- } else if (IS_ERR(page)) {
- err = PTR_ERR(page);
- goto out;
- } else {
- err = f2fs_do_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR);
- if (err)
- goto out;
- }
-
- de = f2fs_find_entry(dir, &dotdot, &page);
- if (de)
- f2fs_put_page(page, 0);
- else if (IS_ERR(page))
- err = PTR_ERR(page);
- else
- err = f2fs_do_add_link(dir, &dotdot, NULL, pino, S_IFDIR);
-out:
- if (!err)
- clear_inode_flag(dir, FI_INLINE_DOTS);
-
- f2fs_unlock_op(sbi);
- return err;
-}
-
static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
unsigned int flags)
{
struct inode *inode = NULL;
struct f2fs_dir_entry *de;
- struct page *page;
+ struct folio *folio;
struct dentry *new;
nid_t ino = -1;
int err = 0;
- unsigned int root_ino = F2FS_ROOT_INO(F2FS_I_SB(dir));
+ struct f2fs_filename fname;
trace_f2fs_lookup_start(dir, dentry, flags);
- err = fscrypt_prepare_lookup(dir, dentry, flags);
- if (err)
- goto out;
-
if (dentry->d_name.len > F2FS_NAME_LEN) {
err = -ENAMETOOLONG;
goto out;
}
- de = f2fs_find_entry(dir, &dentry->d_name, &page);
+ err = f2fs_prepare_lookup(dir, dentry, &fname);
+ if (err == -ENOENT)
+ goto out_splice;
+ if (err)
+ goto out;
+ de = __f2fs_find_entry(dir, &fname, &folio);
+ f2fs_free_filename(&fname);
+
if (!de) {
- if (IS_ERR(page)) {
- err = PTR_ERR(page);
+ if (IS_ERR(folio)) {
+ err = PTR_ERR(folio);
goto out;
}
+ err = -ENOENT;
goto out_splice;
}
ino = le32_to_cpu(de->ino);
- f2fs_put_page(page, 0);
+ f2fs_folio_put(folio, false);
inode = f2fs_iget(dir->i_sb, ino);
if (IS_ERR(inode)) {
@@ -465,31 +502,36 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
goto out;
}
- if ((dir->i_ino == root_ino) && f2fs_has_inline_dots(dir)) {
- err = __recover_dot_dentries(dir, root_ino);
- if (err)
- goto out_iput;
+ if (inode->i_nlink == 0) {
+ f2fs_warn(F2FS_I_SB(inode), "%s: inode (ino=%lx) has zero i_nlink",
+ __func__, inode->i_ino);
+ err = -EFSCORRUPTED;
+ set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
+ goto out_iput;
}
- if (f2fs_has_inline_dots(inode)) {
- err = __recover_dot_dentries(inode, dir->i_ino);
- if (err)
- goto out_iput;
- }
- if (f2fs_encrypted_inode(dir) &&
+ if (IS_ENCRYPTED(dir) &&
(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) &&
!fscrypt_has_permitted_context(dir, inode)) {
- f2fs_msg(inode->i_sb, KERN_WARNING,
- "Inconsistent encryption contexts: %lu/%lu",
- dir->i_ino, inode->i_ino);
+ f2fs_warn(F2FS_I_SB(inode), "Inconsistent encryption contexts: %lu/%lu",
+ dir->i_ino, inode->i_ino);
err = -EPERM;
goto out_iput;
}
out_splice:
+ if (IS_ENABLED(CONFIG_UNICODE) && !inode && IS_CASEFOLDED(dir)) {
+ /* Eventually we want to call d_add_ci(dentry, NULL)
+ * for negative dentries in the encoding case as
+ * well. For now, prevent the negative dentry
+ * from being cached.
+ */
+ trace_f2fs_lookup_end(dir, dentry, ino, err);
+ return NULL;
+ }
+
new = d_splice_alias(inode, dentry);
- if (IS_ERR(new))
- err = PTR_ERR(new);
- trace_f2fs_lookup_end(dir, dentry, ino, err);
+ trace_f2fs_lookup_end(dir, !IS_ERR_OR_NULL(new) ? new : dentry,
+ ino, IS_ERR(new) ? PTR_ERR(new) : err);
return new;
out_iput:
iput(inode);
@@ -503,26 +545,38 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode = d_inode(dentry);
struct f2fs_dir_entry *de;
- struct page *page;
- int err = -ENOENT;
+ struct folio *folio;
+ int err;
trace_f2fs_unlink_enter(dir, dentry);
- if (unlikely(f2fs_cp_error(sbi)))
- return -EIO;
+ if (unlikely(f2fs_cp_error(sbi))) {
+ err = -EIO;
+ goto out;
+ }
- err = dquot_initialize(dir);
+ err = f2fs_dquot_initialize(dir);
if (err)
- return err;
- err = dquot_initialize(inode);
+ goto out;
+ err = f2fs_dquot_initialize(inode);
if (err)
- return err;
+ goto out;
- de = f2fs_find_entry(dir, &dentry->d_name, &page);
+ de = f2fs_find_entry(dir, &dentry->d_name, &folio);
if (!de) {
- if (IS_ERR(page))
- err = PTR_ERR(page);
- goto fail;
+ if (IS_ERR(folio))
+ err = PTR_ERR(folio);
+ goto out;
+ }
+
+ if (unlikely(inode->i_nlink == 0)) {
+ f2fs_warn(sbi, "%s: inode (ino=%lx) has zero i_nlink",
+ __func__, inode->i_ino);
+ goto corrupted;
+ } else if (S_ISDIR(inode->i_mode) && unlikely(inode->i_nlink == 1)) {
+ f2fs_warn(sbi, "%s: directory inode (ino=%lx) has a single i_nlink",
+ __func__, inode->i_ino);
+ goto corrupted;
}
f2fs_balance_fs(sbi, true);
@@ -531,15 +585,30 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
err = f2fs_acquire_orphan_inode(sbi);
if (err) {
f2fs_unlock_op(sbi);
- f2fs_put_page(page, 0);
- goto fail;
+ f2fs_folio_put(folio, false);
+ goto out;
}
- f2fs_delete_entry(de, page, dir, inode);
+ f2fs_delete_entry(de, folio, dir, inode);
f2fs_unlock_op(sbi);
+ /* VFS negative dentries are incompatible with Encoding and
+ * Case-insensitiveness. Eventually we'll want avoid
+ * invalidating the dentries here, alongside with returning the
+ * negative dentries at f2fs_lookup(), when it is better
+ * supported by the VFS for the CI case.
+ */
+ if (IS_ENABLED(CONFIG_UNICODE) && IS_CASEFOLDED(dir))
+ d_invalidate(dentry);
+
if (IS_DIRSYNC(dir))
f2fs_sync_fs(sbi->sb, 1);
-fail:
+
+ goto out;
+corrupted:
+ err = -EFSCORRUPTED;
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ f2fs_folio_put(folio, false);
+out:
trace_f2fs_unlink_exit(inode, err);
return err;
}
@@ -549,6 +618,7 @@ static const char *f2fs_get_link(struct dentry *dentry,
struct delayed_call *done)
{
const char *link = page_get_link(dentry, inode, done);
+
if (!IS_ERR(link) && !*link) {
/* this is broken symlink case */
do_delayed_call(done);
@@ -558,8 +628,8 @@ static const char *f2fs_get_link(struct dentry *dentry,
return link;
}
-static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+static int f2fs_symlink(struct mnt_idmap *idmap, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode;
@@ -569,20 +639,19 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
err = fscrypt_prepare_symlink(dir, symname, len, dir->i_sb->s_blocksize,
&disk_link);
if (err)
return err;
- err = dquot_initialize(dir);
+ err = f2fs_dquot_initialize(dir);
if (err)
return err;
- inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO);
+ inode = f2fs_new_inode(idmap, dir, S_IFLNK | S_IRWXUGO, NULL);
if (IS_ERR(inode))
return PTR_ERR(inode);
@@ -635,31 +704,32 @@ out_f2fs_handle_failed_inode:
f2fs_handle_failed_inode(inode);
out_free_encrypted_link:
if (disk_link.name != (unsigned char *)symname)
- kvfree(disk_link.name);
+ kfree(disk_link.name);
return err;
}
-static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static struct dentry *f2fs_mkdir(struct mnt_idmap *idmap, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode;
int err;
if (unlikely(f2fs_cp_error(sbi)))
- return -EIO;
+ return ERR_PTR(-EIO);
- err = dquot_initialize(dir);
+ err = f2fs_dquot_initialize(dir);
if (err)
- return err;
+ return ERR_PTR(err);
- inode = f2fs_new_inode(dir, S_IFDIR | mode);
+ inode = f2fs_new_inode(idmap, dir, S_IFDIR | mode, NULL);
if (IS_ERR(inode))
- return PTR_ERR(inode);
+ return ERR_CAST(inode);
inode->i_op = &f2fs_dir_inode_operations;
inode->i_fop = &f2fs_dir_operations;
inode->i_mapping->a_ops = &f2fs_dblock_aops;
- inode_nohighmem(inode);
+ mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
set_inode_flag(inode, FI_INC_LINK);
f2fs_lock_op(sbi);
@@ -676,24 +746,25 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
f2fs_sync_fs(sbi->sb, 1);
f2fs_balance_fs(sbi, true);
- return 0;
+ return NULL;
out_fail:
clear_inode_flag(inode, FI_INC_LINK);
f2fs_handle_failed_inode(inode);
- return err;
+ return ERR_PTR(err);
}
static int f2fs_rmdir(struct inode *dir, struct dentry *dentry)
{
struct inode *inode = d_inode(dentry);
+
if (f2fs_empty_dir(inode))
return f2fs_unlink(dir, dentry);
return -ENOTEMPTY;
}
-static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
- umode_t mode, dev_t rdev)
+static int f2fs_mknod(struct mnt_idmap *idmap, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode;
@@ -701,15 +772,14 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
- err = dquot_initialize(dir);
+ err = f2fs_dquot_initialize(dir);
if (err)
return err;
- inode = f2fs_new_inode(dir, mode);
+ inode = f2fs_new_inode(idmap, dir, mode, NULL);
if (IS_ERR(inode))
return PTR_ERR(inode);
@@ -736,22 +806,23 @@ out:
return err;
}
-static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
- umode_t mode, struct inode **whiteout)
+static int __f2fs_tmpfile(struct mnt_idmap *idmap, struct inode *dir,
+ struct file *file, umode_t mode, bool is_whiteout,
+ struct inode **new_inode, struct f2fs_filename *fname)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode;
int err;
- err = dquot_initialize(dir);
+ err = f2fs_dquot_initialize(dir);
if (err)
return err;
- inode = f2fs_new_inode(dir, mode);
+ inode = f2fs_new_inode(idmap, dir, mode, NULL);
if (IS_ERR(inode))
return PTR_ERR(inode);
- if (whiteout) {
+ if (is_whiteout) {
init_special_inode(inode, inode->i_mode, WHITEOUT_DEV);
inode->i_op = &f2fs_special_inode_operations;
} else {
@@ -765,7 +836,7 @@ static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
if (err)
goto out;
- err = f2fs_do_tmpfile(inode, dir);
+ err = f2fs_do_tmpfile(inode, dir, fname);
if (err)
goto release_out;
@@ -776,16 +847,25 @@ static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
f2fs_add_orphan_inode(inode);
f2fs_alloc_nid_done(sbi, inode->i_ino);
- if (whiteout) {
+ if (is_whiteout) {
f2fs_i_links_write(inode, false);
- *whiteout = inode;
+
+ spin_lock(&inode->i_lock);
+ inode_state_set(inode, I_LINKABLE);
+ spin_unlock(&inode->i_lock);
} else {
- d_tmpfile(dentry, inode);
+ if (file)
+ d_tmpfile(file, inode);
+ else
+ f2fs_i_links_write(inode, false);
}
/* link_count was changed by d_tmpfile as well. */
f2fs_unlock_op(sbi);
unlock_new_inode(inode);
+ if (new_inode)
+ *new_inode = inode;
+
f2fs_balance_fs(sbi, true);
return 0;
@@ -796,107 +876,134 @@ out:
return err;
}
-static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int f2fs_tmpfile(struct mnt_idmap *idmap, struct inode *dir,
+ struct file *file, umode_t mode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
+ int err;
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
- if (f2fs_encrypted_inode(dir) || DUMMY_ENCRYPTION_ENABLED(sbi)) {
- int err = fscrypt_get_encryption_info(dir);
- if (err)
- return err;
- }
+ err = __f2fs_tmpfile(idmap, dir, file, mode, false, NULL, NULL);
- return __f2fs_tmpfile(dir, dentry, mode, NULL);
+ return finish_open_simple(file, err);
}
-static int f2fs_create_whiteout(struct inode *dir, struct inode **whiteout)
+static int f2fs_create_whiteout(struct mnt_idmap *idmap,
+ struct inode *dir, struct inode **whiteout,
+ struct f2fs_filename *fname)
{
- if (unlikely(f2fs_cp_error(F2FS_I_SB(dir))))
- return -EIO;
+ return __f2fs_tmpfile(idmap, dir, NULL, S_IFCHR | WHITEOUT_MODE,
+ true, whiteout, fname);
+}
- return __f2fs_tmpfile(dir, NULL, S_IFCHR | WHITEOUT_MODE, whiteout);
+int f2fs_get_tmpfile(struct mnt_idmap *idmap, struct inode *dir,
+ struct inode **new_inode)
+{
+ return __f2fs_tmpfile(idmap, dir, NULL, S_IFREG,
+ false, new_inode, NULL);
}
-static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry,
- unsigned int flags)
+static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
+ struct dentry *old_dentry, struct inode *new_dir,
+ struct dentry *new_dentry, unsigned int flags)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
struct inode *old_inode = d_inode(old_dentry);
struct inode *new_inode = d_inode(new_dentry);
struct inode *whiteout = NULL;
- struct page *old_dir_page;
- struct page *old_page, *new_page = NULL;
+ struct folio *old_dir_folio = NULL;
+ struct folio *old_folio, *new_folio = NULL;
struct f2fs_dir_entry *old_dir_entry = NULL;
struct f2fs_dir_entry *old_entry;
struct f2fs_dir_entry *new_entry;
- bool is_old_inline = f2fs_has_inline_dentry(old_dir);
+ bool old_is_dir = S_ISDIR(old_inode->i_mode);
int err;
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
if (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
(!projid_eq(F2FS_I(new_dir)->i_projid,
- F2FS_I(old_dentry->d_inode)->i_projid)))
+ F2FS_I(old_inode)->i_projid)))
return -EXDEV;
- err = dquot_initialize(old_dir);
+ /*
+ * If new_inode is null, the below renaming flow will
+ * add a link in old_dir which can convert inline_dir.
+ * After then, if we failed to get the entry due to other
+ * reasons like ENOMEM, we had to remove the new entry.
+ * Instead of adding such the error handling routine, let's
+ * simply convert first here.
+ */
+ if (old_dir == new_dir && !new_inode) {
+ err = f2fs_try_convert_inline_dir(old_dir, new_dentry);
+ if (err)
+ return err;
+ }
+
+ if (flags & RENAME_WHITEOUT) {
+ struct f2fs_filename fname;
+
+ err = f2fs_setup_filename(old_dir, &old_dentry->d_name,
+ 0, &fname);
+ if (err)
+ return err;
+
+ err = f2fs_create_whiteout(idmap, old_dir, &whiteout, &fname);
+ if (err)
+ return err;
+ }
+
+ err = f2fs_dquot_initialize(old_dir);
if (err)
goto out;
- err = dquot_initialize(new_dir);
+ err = f2fs_dquot_initialize(new_dir);
if (err)
goto out;
if (new_inode) {
- err = dquot_initialize(new_inode);
+ err = f2fs_dquot_initialize(new_inode);
if (err)
goto out;
}
err = -ENOENT;
- old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
+ old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_folio);
if (!old_entry) {
- if (IS_ERR(old_page))
- err = PTR_ERR(old_page);
+ if (IS_ERR(old_folio))
+ err = PTR_ERR(old_folio);
goto out;
}
- if (S_ISDIR(old_inode->i_mode)) {
- old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page);
+ if (old_is_dir && old_dir != new_dir) {
+ old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_folio);
if (!old_dir_entry) {
- if (IS_ERR(old_dir_page))
- err = PTR_ERR(old_dir_page);
+ if (IS_ERR(old_dir_folio))
+ err = PTR_ERR(old_dir_folio);
goto out_old;
}
}
- if (flags & RENAME_WHITEOUT) {
- err = f2fs_create_whiteout(old_dir, &whiteout);
- if (err)
- goto out_dir;
- }
-
if (new_inode) {
err = -ENOTEMPTY;
- if (old_dir_entry && !f2fs_empty_dir(new_inode))
- goto out_whiteout;
+ if (old_is_dir && !f2fs_empty_dir(new_inode))
+ goto out_dir;
err = -ENOENT;
new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name,
- &new_page);
+ &new_folio);
if (!new_entry) {
- if (IS_ERR(new_page))
- err = PTR_ERR(new_page);
- goto out_whiteout;
+ if (IS_ERR(new_folio))
+ err = PTR_ERR(new_folio);
+ goto out_dir;
}
f2fs_balance_fs(sbi, true);
@@ -907,14 +1014,15 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
if (err)
goto put_out_dir;
- f2fs_set_link(new_dir, new_entry, new_page, old_inode);
+ f2fs_set_link(new_dir, new_entry, new_folio, old_inode);
+ new_folio = NULL;
- new_inode->i_ctime = current_time(new_inode);
- down_write(&F2FS_I(new_inode)->i_sem);
- if (old_dir_entry)
+ inode_set_ctime_current(new_inode);
+ f2fs_down_write(&F2FS_I(new_inode)->i_sem);
+ if (old_is_dir)
f2fs_i_links_write(new_inode, false);
f2fs_i_links_write(new_inode, false);
- up_write(&F2FS_I(new_inode)->i_sem);
+ f2fs_up_write(&F2FS_I(new_inode)->i_sem);
if (!new_inode->i_nlink)
f2fs_add_orphan_inode(new_inode);
@@ -928,65 +1036,47 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
err = f2fs_add_link(new_dentry, old_inode);
if (err) {
f2fs_unlock_op(sbi);
- goto out_whiteout;
+ goto out_dir;
}
- if (old_dir_entry)
+ if (old_is_dir)
f2fs_i_links_write(new_dir, true);
-
- /*
- * old entry and new entry can locate in the same inline
- * dentry in inode, when attaching new entry in inline dentry,
- * it could force inline dentry conversion, after that,
- * old_entry and old_page will point to wrong address, in
- * order to avoid this, let's do the check and update here.
- */
- if (is_old_inline && !f2fs_has_inline_dentry(old_dir)) {
- f2fs_put_page(old_page, 0);
- old_page = NULL;
-
- old_entry = f2fs_find_entry(old_dir,
- &old_dentry->d_name, &old_page);
- if (!old_entry) {
- err = -ENOENT;
- if (IS_ERR(old_page))
- err = PTR_ERR(old_page);
- f2fs_unlock_op(sbi);
- goto out_whiteout;
- }
- }
}
- down_write(&F2FS_I(old_inode)->i_sem);
- if (!old_dir_entry || whiteout)
+ f2fs_down_write(&F2FS_I(old_inode)->i_sem);
+ if (!old_is_dir || whiteout)
file_lost_pino(old_inode);
else
- F2FS_I(old_inode)->i_pino = new_dir->i_ino;
- up_write(&F2FS_I(old_inode)->i_sem);
+ /* adjust dir's i_pino to pass fsck check */
+ f2fs_i_pino_write(old_inode, new_dir->i_ino);
+ f2fs_up_write(&F2FS_I(old_inode)->i_sem);
- old_inode->i_ctime = current_time(old_inode);
+ inode_set_ctime_current(old_inode);
f2fs_mark_inode_dirty_sync(old_inode, false);
- f2fs_delete_entry(old_entry, old_page, old_dir, NULL);
+ f2fs_delete_entry(old_entry, old_folio, old_dir, NULL);
+ old_folio = NULL;
if (whiteout) {
- whiteout->i_state |= I_LINKABLE;
set_inode_flag(whiteout, FI_INC_LINK);
err = f2fs_add_link(old_dentry, whiteout);
- if (err)
+ if (err) {
+ d_invalidate(old_dentry);
+ d_invalidate(new_dentry);
goto put_out_dir;
- whiteout->i_state &= ~I_LINKABLE;
+ }
+ spin_lock(&whiteout->i_lock);
+ inode_state_clear(whiteout, I_LINKABLE);
+ spin_unlock(&whiteout->i_lock);
+
iput(whiteout);
}
- if (old_dir_entry) {
- if (old_dir != new_dir && !whiteout)
- f2fs_set_link(old_inode, old_dir_entry,
- old_dir_page, new_dir);
- else
- f2fs_put_page(old_dir_page, 0);
+ if (old_dir_entry)
+ f2fs_set_link(old_inode, old_dir_entry, old_dir_folio, new_dir);
+ if (old_is_dir)
f2fs_i_links_write(old_dir, false);
- }
+
if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) {
f2fs_add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO);
if (S_ISDIR(old_inode->i_mode))
@@ -1004,17 +1094,14 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
put_out_dir:
f2fs_unlock_op(sbi);
- if (new_page)
- f2fs_put_page(new_page, 0);
-out_whiteout:
- if (whiteout)
- iput(whiteout);
+ f2fs_folio_put(new_folio, false);
out_dir:
if (old_dir_entry)
- f2fs_put_page(old_dir_page, 0);
+ f2fs_folio_put(old_dir_folio, false);
out_old:
- f2fs_put_page(old_page, 0);
+ f2fs_folio_put(old_folio, false);
out:
+ iput(whiteout);
return err;
}
@@ -1024,8 +1111,8 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
struct inode *old_inode = d_inode(old_dentry);
struct inode *new_inode = d_inode(new_dentry);
- struct page *old_dir_page, *new_dir_page;
- struct page *old_page, *new_page;
+ struct folio *old_dir_folio, *new_dir_folio;
+ struct folio *old_folio, *new_folio;
struct f2fs_dir_entry *old_dir_entry = NULL, *new_dir_entry = NULL;
struct f2fs_dir_entry *old_entry, *new_entry;
int old_nlink = 0, new_nlink = 0;
@@ -1033,38 +1120,37 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
if ((is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
!projid_eq(F2FS_I(new_dir)->i_projid,
- F2FS_I(old_dentry->d_inode)->i_projid)) ||
- (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
+ F2FS_I(old_inode)->i_projid)) ||
+ (is_inode_flag_set(old_dir, FI_PROJ_INHERIT) &&
!projid_eq(F2FS_I(old_dir)->i_projid,
- F2FS_I(new_dentry->d_inode)->i_projid)))
+ F2FS_I(new_inode)->i_projid)))
return -EXDEV;
- err = dquot_initialize(old_dir);
+ err = f2fs_dquot_initialize(old_dir);
if (err)
goto out;
- err = dquot_initialize(new_dir);
+ err = f2fs_dquot_initialize(new_dir);
if (err)
goto out;
err = -ENOENT;
- old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
+ old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_folio);
if (!old_entry) {
- if (IS_ERR(old_page))
- err = PTR_ERR(old_page);
+ if (IS_ERR(old_folio))
+ err = PTR_ERR(old_folio);
goto out;
}
- new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page);
+ new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_folio);
if (!new_entry) {
- if (IS_ERR(new_page))
- err = PTR_ERR(new_page);
+ if (IS_ERR(new_folio))
+ err = PTR_ERR(new_folio);
goto out_old;
}
@@ -1072,20 +1158,20 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
if (old_dir != new_dir) {
if (S_ISDIR(old_inode->i_mode)) {
old_dir_entry = f2fs_parent_dir(old_inode,
- &old_dir_page);
+ &old_dir_folio);
if (!old_dir_entry) {
- if (IS_ERR(old_dir_page))
- err = PTR_ERR(old_dir_page);
+ if (IS_ERR(old_dir_folio))
+ err = PTR_ERR(old_dir_folio);
goto out_new;
}
}
if (S_ISDIR(new_inode->i_mode)) {
new_dir_entry = f2fs_parent_dir(new_inode,
- &new_dir_page);
+ &new_dir_folio);
if (!new_dir_entry) {
- if (IS_ERR(new_dir_page))
- err = PTR_ERR(new_dir_page);
+ if (IS_ERR(new_dir_folio))
+ err = PTR_ERR(new_dir_folio);
goto out_old_dir;
}
}
@@ -1112,39 +1198,47 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
/* update ".." directory entry info of old dentry */
if (old_dir_entry)
- f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir);
+ f2fs_set_link(old_inode, old_dir_entry, old_dir_folio, new_dir);
/* update ".." directory entry info of new dentry */
if (new_dir_entry)
- f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir);
+ f2fs_set_link(new_inode, new_dir_entry, new_dir_folio, old_dir);
/* update directory entry info of old dir inode */
- f2fs_set_link(old_dir, old_entry, old_page, new_inode);
+ f2fs_set_link(old_dir, old_entry, old_folio, new_inode);
- down_write(&F2FS_I(old_inode)->i_sem);
- file_lost_pino(old_inode);
- up_write(&F2FS_I(old_inode)->i_sem);
+ f2fs_down_write(&F2FS_I(old_inode)->i_sem);
+ if (!old_dir_entry)
+ file_lost_pino(old_inode);
+ else
+ /* adjust dir's i_pino to pass fsck check */
+ f2fs_i_pino_write(old_inode, new_dir->i_ino);
+ f2fs_up_write(&F2FS_I(old_inode)->i_sem);
- old_dir->i_ctime = current_time(old_dir);
+ inode_set_ctime_current(old_dir);
if (old_nlink) {
- down_write(&F2FS_I(old_dir)->i_sem);
+ f2fs_down_write(&F2FS_I(old_dir)->i_sem);
f2fs_i_links_write(old_dir, old_nlink > 0);
- up_write(&F2FS_I(old_dir)->i_sem);
+ f2fs_up_write(&F2FS_I(old_dir)->i_sem);
}
f2fs_mark_inode_dirty_sync(old_dir, false);
/* update directory entry info of new dir inode */
- f2fs_set_link(new_dir, new_entry, new_page, old_inode);
+ f2fs_set_link(new_dir, new_entry, new_folio, old_inode);
- down_write(&F2FS_I(new_inode)->i_sem);
- file_lost_pino(new_inode);
- up_write(&F2FS_I(new_inode)->i_sem);
+ f2fs_down_write(&F2FS_I(new_inode)->i_sem);
+ if (!new_dir_entry)
+ file_lost_pino(new_inode);
+ else
+ /* adjust dir's i_pino to pass fsck check */
+ f2fs_i_pino_write(new_inode, old_dir->i_ino);
+ f2fs_up_write(&F2FS_I(new_inode)->i_sem);
- new_dir->i_ctime = current_time(new_dir);
+ inode_set_ctime_current(new_dir);
if (new_nlink) {
- down_write(&F2FS_I(new_dir)->i_sem);
+ f2fs_down_write(&F2FS_I(new_dir)->i_sem);
f2fs_i_links_write(new_dir, new_nlink > 0);
- up_write(&F2FS_I(new_dir)->i_sem);
+ f2fs_up_write(&F2FS_I(new_dir)->i_sem);
}
f2fs_mark_inode_dirty_sync(new_dir, false);
@@ -1162,21 +1256,22 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
return 0;
out_new_dir:
if (new_dir_entry) {
- f2fs_put_page(new_dir_page, 0);
+ f2fs_folio_put(new_dir_folio, false);
}
out_old_dir:
if (old_dir_entry) {
- f2fs_put_page(old_dir_page, 0);
+ f2fs_folio_put(old_dir_folio, false);
}
out_new:
- f2fs_put_page(new_page, 0);
+ f2fs_folio_put(new_folio, false);
out_old:
- f2fs_put_page(old_page, 0);
+ f2fs_folio_put(old_folio, false);
out:
return err;
}
-static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry,
+static int f2fs_rename2(struct mnt_idmap *idmap,
+ struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
@@ -1185,49 +1280,64 @@ static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry,
if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT))
return -EINVAL;
+ trace_f2fs_rename_start(old_dir, old_dentry, new_dir, new_dentry,
+ flags);
+
err = fscrypt_prepare_rename(old_dir, old_dentry, new_dir, new_dentry,
flags);
if (err)
return err;
- if (flags & RENAME_EXCHANGE) {
- return f2fs_cross_rename(old_dir, old_dentry,
- new_dir, new_dentry);
- }
+ if (flags & RENAME_EXCHANGE)
+ err = f2fs_cross_rename(old_dir, old_dentry,
+ new_dir, new_dentry);
+ else
/*
* VFS has already handled the new dentry existence case,
* here, we just deal with "RENAME_NOREPLACE" as regular rename.
*/
- return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry, flags);
+ err = f2fs_rename(idmap, old_dir, old_dentry,
+ new_dir, new_dentry, flags);
+
+ trace_f2fs_rename_end(old_dentry, new_dentry, flags, err);
+ return err;
}
static const char *f2fs_encrypted_get_link(struct dentry *dentry,
struct inode *inode,
struct delayed_call *done)
{
- struct page *page;
+ struct folio *folio;
const char *target;
if (!dentry)
return ERR_PTR(-ECHILD);
- page = read_mapping_page(inode->i_mapping, 0, NULL);
- if (IS_ERR(page))
- return ERR_CAST(page);
+ folio = read_mapping_folio(inode->i_mapping, 0, NULL);
+ if (IS_ERR(folio))
+ return ERR_CAST(folio);
- target = fscrypt_get_symlink(inode, page_address(page),
+ target = fscrypt_get_symlink(inode, folio_address(folio),
inode->i_sb->s_blocksize, done);
- put_page(page);
+ folio_put(folio);
return target;
}
+static int f2fs_encrypted_symlink_getattr(struct mnt_idmap *idmap,
+ const struct path *path,
+ struct kstat *stat, u32 request_mask,
+ unsigned int query_flags)
+{
+ f2fs_getattr(idmap, path, stat, request_mask, query_flags);
+
+ return fscrypt_symlink_getattr(path, stat);
+}
+
const struct inode_operations f2fs_encrypted_symlink_inode_operations = {
- .get_link = f2fs_encrypted_get_link,
- .getattr = f2fs_getattr,
+ .get_link = f2fs_encrypted_get_link,
+ .getattr = f2fs_encrypted_symlink_getattr,
.setattr = f2fs_setattr,
-#ifdef CONFIG_F2FS_FS_XATTR
.listxattr = f2fs_listxattr,
-#endif
};
const struct inode_operations f2fs_dir_inode_operations = {
@@ -1243,28 +1353,25 @@ const struct inode_operations f2fs_dir_inode_operations = {
.tmpfile = f2fs_tmpfile,
.getattr = f2fs_getattr,
.setattr = f2fs_setattr,
- .get_acl = f2fs_get_acl,
+ .get_inode_acl = f2fs_get_acl,
.set_acl = f2fs_set_acl,
-#ifdef CONFIG_F2FS_FS_XATTR
.listxattr = f2fs_listxattr,
-#endif
+ .fiemap = f2fs_fiemap,
+ .fileattr_get = f2fs_fileattr_get,
+ .fileattr_set = f2fs_fileattr_set,
};
const struct inode_operations f2fs_symlink_inode_operations = {
- .get_link = f2fs_get_link,
+ .get_link = f2fs_get_link,
.getattr = f2fs_getattr,
.setattr = f2fs_setattr,
-#ifdef CONFIG_F2FS_FS_XATTR
.listxattr = f2fs_listxattr,
-#endif
};
const struct inode_operations f2fs_special_inode_operations = {
.getattr = f2fs_getattr,
- .setattr = f2fs_setattr,
- .get_acl = f2fs_get_acl,
+ .setattr = f2fs_setattr,
+ .get_inode_acl = f2fs_get_acl,
.set_acl = f2fs_set_acl,
-#ifdef CONFIG_F2FS_FS_XATTR
.listxattr = f2fs_listxattr,
-#endif
};
generated by cgit (git 2.34.1) at 2025-12-25 12:24:59 +0000