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| author |  Christoph Hellwig <hch@lst.de>
| 2022-11-28 10:15:15 +0100 |
|---|---|---|
| committer |  Jaegeuk Kim <jaegeuk@kernel.org>
| 2023-01-06 15:13:03 -0800 |
| commit | cf342d3beda000b4c60990755ca7800de5038785 (patch) | |
| tree | feebce3765450433d2f469f766db1a11d0f52453 /fs | |
| parent | f2fs: add a f2fs_lookup_extent_cache_block helper (diff) | |
| download | linux-cf342d3beda000b4c60990755ca7800de5038785.tar.gz linux-cf342d3beda000b4c60990755ca7800de5038785.tar.bz2 linux-cf342d3beda000b4c60990755ca7800de5038785.zip | |
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')
| -rw-r--r-- | fs/f2fs/data.c | 16 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 3 | ||||
| -rw-r--r-- | fs/f2fs/file.c | 4 |
3 files changed, 16 insertions, 7 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 diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index cc737f2a9e82..744cb442085f 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3800,7 +3800,7 @@ void f2fs_set_data_blkaddr(struct dnode_of_data *dn); void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); int f2fs_reserve_new_block(struct dnode_of_data *dn); -int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); +int f2fs_get_block_locked(struct dnode_of_data *dn, pgoff_t index); int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index, blk_opf_t op_flags, bool for_write, pgoff_t *next_pgofs); @@ -3811,7 +3811,6 @@ struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index, struct page *f2fs_get_new_data_page(struct inode *inode, struct page *ipage, pgoff_t index, bool new_i_size); int f2fs_do_write_data_page(struct f2fs_io_info *fio); -void f2fs_do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock); int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, int create, int flag); int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 6426b50b70b8..705a7eb4df99 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -113,10 +113,8 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf) if (need_alloc) { /* block allocation */ - f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, true); set_new_dnode(&dn, inode, NULL, NULL, 0); - err = f2fs_get_block(&dn, page->index); - f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, false); + err = f2fs_get_block_locked(&dn, page->index); } #ifdef CONFIG_F2FS_FS_COMPRESSION |