diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-11-28 12:15:15 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-01-07 02:13:03 +0300 |
| commit | cf342d3beda000b4c60990755ca7800de5038785 (patch) | |
| tree | feebce3765450433d2f469f766db1a11d0f52453 /fs/f2fs/data.c | |
| parent | 04a91ab016847440c8c937dda628079070f38c7a (diff) | |
| download | linux-cf342d3beda000b4c60990755ca7800de5038785.tar.xz | |
f2fs: add a f2fs_get_block_locked helper
This allows to keep the f2fs_do_map_lock based locking scheme
private to data.c.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/data.c')
| -rw-r--r-- | fs/f2fs/data.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index e80d7d250993..904dfd1f16d0 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1212,7 +1212,7 @@ int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index) return err; } -int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index) +static int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index) { if (f2fs_lookup_read_extent_cache_block(dn->inode, index, &dn->data_blkaddr)) @@ -1451,7 +1451,7 @@ alloc: return 0; } -void f2fs_do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock) +static void f2fs_do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock) { if (flag == F2FS_GET_BLOCK_PRE_AIO) { if (lock) @@ -1466,6 +1466,18 @@ void f2fs_do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock) } } +int f2fs_get_block_locked(struct dnode_of_data *dn, pgoff_t index) +{ + struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); + int err; + + f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, true); + err = f2fs_get_block(dn, index); + f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, false); + + return err; +} + /* * f2fs_map_blocks() tries to find or build mapping relationship which * maps continuous logical blocks to physical blocks, and return such |