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| author | Ritesh Harjani <riteshh@linux.ibm.com> | 2020-02-28 10:26:59 +0100 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2020-03-14 19:43:13 +0100 |
| commit | 7af44c42df37094fd95897653fdaaa7b76c0539a (patch) | |
| tree | c67df8545c47bebb8aa87b517d75e879fa093b64 /Documentation/filesystems/fiemap.txt | |
| parent | ext4: move ext4_fiemap to use iomap framework (diff) | |
| download | linux-7af44c42df37094fd95897653fdaaa7b76c0539a.tar.xz linux-7af44c42df37094fd95897653fdaaa7b76c0539a.zip | |
Documentation: correct the description of FIEMAP_EXTENT_LAST
Currently FIEMAP_EXTENT_LAST is not working consistently across
different filesystem's fiemap implementations. So add more information
about how else this flag could set in other implementation.
Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/5a00e8d4283d6849e0b8f408c8365b31fbc1d153.1582880246.git.riteshh@linux.ibm.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'Documentation/filesystems/fiemap.txt')
| -rw-r--r-- | Documentation/filesystems/fiemap.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/filesystems/fiemap.txt b/Documentation/filesystems/fiemap.txt index f6d9c99103a4..ac87e6fda842 100644 --- a/Documentation/filesystems/fiemap.txt +++ b/Documentation/filesystems/fiemap.txt @@ -115,8 +115,10 @@ data. Note that the opposite is not true - it would be valid for FIEMAP_EXTENT_NOT_ALIGNED to appear alone. * FIEMAP_EXTENT_LAST -This is the last extent in the file. A mapping attempt past this -extent will return nothing. +This is generally the last extent in the file. A mapping attempt past +this extent may return nothing. Some implementations set this flag to +indicate this extent is the last one in the range queried by the user +(via fiemap->fm_length). * FIEMAP_EXTENT_UNKNOWN The location of this extent is currently unknown. This may indicate |