diff options
| author | Daeho Jeong <daehojeong@google.com> | 2024-02-15 12:16:33 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2024-02-27 09:41:15 -0800 |
| commit | a94c7fded76bfd1a061deae7be80fedbfa26774e (patch) | |
| tree | af098e6746eeb354e2dd7d91502c8844b0219386 /fs/f2fs | |
| parent | e39602da752cd1d0462e3fa04074146f6f2803f6 (diff) | |
f2fs: support SEEK_DATA and SEEK_HOLE for compression files
Fix to support SEEK_DATA and SEEK_HOLE for compression files
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/file.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 767d16c74bb6..f830f88a025d 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -394,9 +394,20 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) return f2fs_do_sync_file(file, start, end, datasync, false); } -static bool __found_offset(struct address_space *mapping, block_t blkaddr, - pgoff_t index, int whence) +static bool __found_offset(struct address_space *mapping, + struct dnode_of_data *dn, pgoff_t index, int whence) { + block_t blkaddr = f2fs_data_blkaddr(dn); + struct inode *inode = mapping->host; + bool compressed_cluster = false; + + if (f2fs_compressed_file(inode)) { + block_t first_blkaddr = data_blkaddr(dn->inode, dn->node_page, + ALIGN_DOWN(dn->ofs_in_node, F2FS_I(inode)->i_cluster_size)); + + compressed_cluster = first_blkaddr == COMPRESS_ADDR; + } + switch (whence) { case SEEK_DATA: if (__is_valid_data_blkaddr(blkaddr)) @@ -404,8 +415,12 @@ static bool __found_offset(struct address_space *mapping, block_t blkaddr, if (blkaddr == NEW_ADDR && xa_get_mark(&mapping->i_pages, index, PAGECACHE_TAG_DIRTY)) return true; + if (compressed_cluster) + return true; break; case SEEK_HOLE: + if (compressed_cluster) + return false; if (blkaddr == NULL_ADDR) return true; break; @@ -474,7 +489,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence) goto fail; } - if (__found_offset(file->f_mapping, blkaddr, + if (__found_offset(file->f_mapping, &dn, pgofs, whence)) { f2fs_put_dnode(&dn); goto found; |