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| author | Tao Ma <boyu.mt@taobao.com> | 2012-12-10 14:06:02 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2012-12-10 14:06:02 -0500 |
| commit | 941919856c11d4dd11d4fcabb4dab58bd2b146bf (patch) | |
| tree | dcb06b13ca094575d9f32e49371560c1c956c874 /fs/ext4/extents.c | |
| parent | 32f7f22c0b52e8189fef83986b16dc7abe95f2c4 (diff) | |
| download | linux-941919856c11d4dd11d4fcabb4dab58bd2b146bf.tar.gz linux-941919856c11d4dd11d4fcabb4dab58bd2b146bf.tar.bz2 linux-941919856c11d4dd11d4fcabb4dab58bd2b146bf.zip | |
ext4: let fiemap work with inline data
fiemap is used to find the disk layout of a file, as for inline data,
let us just pretend like a file with just one extent.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index f2659f51b23d..70dc6fc53a00 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4802,6 +4802,15 @@ int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, ext4_lblk_t start_blk; int error = 0; + if (ext4_has_inline_data(inode)) { + int has_inline = 1; + + error = ext4_inline_data_fiemap(inode, fieinfo, &has_inline); + + if (has_inline) + return error; + } + /* fallback to generic here if not in extents fmt */ if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) return generic_block_fiemap(inode, fieinfo, start, len, |