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Documentation: correct the description of FIEMAP_EXTENT_LAST

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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>
This commit is contained in:
Ritesh Harjani 2020-02-28 14:56:59 +05:30 committed by Theodore Ts'o
parent d3b6f23f71
commit 7af44c42df
1 changed files with 4 additions and 2 deletions
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6
Documentation/filesystems/fiemap.txt
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@ -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