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Merge remote-tracking branch 'aosp/upstream-f2fs-stable-linux-4.19.y' into android-4.19

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* aosp/upstream-f2fs-stable-linux-4.19.y:
  f2fs: fix race conditions in ->d_compare() and ->d_hash()
  f2fs: fix dcache lookup of !casefolded directories
  f2fs: Add f2fs stats to sysfs
  f2fs: delete duplicate information on sysfs nodes
  f2fs: change to use rwsem for gc_mutex
  f2fs: update f2fs document regarding to fsync_mode
  f2fs: add a way to turn off ipu bio cache
  f2fs: code cleanup for f2fs_statfs_project()
  f2fs: fix miscounted block limit in f2fs_statfs_project()
  f2fs: show the CP_PAUSE reason in checkpoint traces
  f2fs: fix deadlock allocating bio_post_read_ctx from mempool
  f2fs: remove unneeded check for error allocating bio_post_read_ctx
  f2fs: convert inline_dir early before starting rename
  f2fs: fix memleak of kobject
  f2fs: fix to add swap extent correctly
  mm: export add_swap_extent()
  f2fs: run fsck when getting bad inode during GC
  f2fs: support data compression
  f2fs: free sysfs kobject
  f2fs: declare nested quota_sem and remove unnecessary sems
  f2fs: don't put new_page twice in f2fs_rename
  f2fs: set I_LINKABLE early to avoid wrong access by vfs
  f2fs: don't keep META_MAPPING pages used for moving verity file blocks
  f2fs: introduce private bioset
  f2fs: cleanup duplicate stats for atomic files
  f2fs: set GFP_NOFS when moving inline dentries
  f2fs: should avoid recursive filesystem ops
  f2fs: keep quota data on write_begin failure
  f2fs: call f2fs_balance_fs outside of locked page
  f2fs: preallocate DIO blocks when forcing buffered_io

Bug: 148667616
Change-Id: Ic885bdb3ef3a8b5d264497b9972b41bcd26b4e85
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
This commit is contained in:
Jaegeuk Kim
2020-02-07 13:57:17 -08:00
parent b35789b643 a7cbfc8a9c
commit c7b7e54aee
22 changed files with 3183 additions and 650 deletions
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44
fs/f2fs/inline.c
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@@ -386,7 +386,7 @@ static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
struct f2fs_dentry_ptr src, dst;
int err;
page = f2fs_grab_cache_page(dir->i_mapping, 0, false);
page = f2fs_grab_cache_page(dir->i_mapping, 0, true);
if (!page) {
f2fs_put_page(ipage, 1);
return -ENOMEM;
@@ -548,7 +548,7 @@ static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
return err;
}
static int f2fs_convert_inline_dir(struct inode *dir, struct page *ipage,
static int do_convert_inline_dir(struct inode *dir, struct page *ipage,
void *inline_dentry)
{
if (!F2FS_I(dir)->i_dir_level)
@@ -557,6 +557,44 @@ static int f2fs_convert_inline_dir(struct inode *dir, struct page *ipage,
return f2fs_move_rehashed_dirents(dir, ipage, inline_dentry);
}
int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct page *ipage;
struct fscrypt_name fname;
void *inline_dentry = NULL;
int err = 0;
if (!f2fs_has_inline_dentry(dir))
return 0;
f2fs_lock_op(sbi);
err = fscrypt_setup_filename(dir, &dentry->d_name, 0, &fname);
if (err)
goto out;
ipage = f2fs_get_node_page(sbi, dir->i_ino);
if (IS_ERR(ipage)) {
err = PTR_ERR(ipage);
goto out;
}
if (f2fs_has_enough_room(dir, ipage, &fname)) {
f2fs_put_page(ipage, 1);
goto out;
}
inline_dentry = inline_data_addr(dir, ipage);
err = do_convert_inline_dir(dir, ipage, inline_dentry);
if (!err)
f2fs_put_page(ipage, 1);
out:
f2fs_unlock_op(sbi);
return err;
}
int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
const struct qstr *orig_name,
struct inode *inode, nid_t ino, umode_t mode)
@@ -580,7 +618,7 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
bit_pos = f2fs_room_for_filename(d.bitmap, slots, d.max);
if (bit_pos >= d.max) {
err = f2fs_convert_inline_dir(dir, ipage, inline_dentry);
err = do_convert_inline_dir(dir, ipage, inline_dentry);
if (err)
return err;
err = -EAGAIN;