Commit 7af44c42 authored by Ritesh Harjani's avatar Ritesh Harjani Committed by Theodore Ts'o
Browse files

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: default avatarRitesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/5a00e8d4283d6849e0b8f408c8365b31fbc1d153.1582880246.git.riteshh@linux.ibm.com


Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent d3b6f23f

Documentation/filesystems/fiemap.txt

+4 −2
Original line number Original line Diff line number Diff line
@@ -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_NOT_ALIGNED to appear alone.





* FIEMAP_EXTENT_LAST

* FIEMAP_EXTENT_LAST

This is the last extent in the file. A mapping attempt past this

This is generally the last extent in the file. A mapping attempt past

extent will return nothing.

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

* FIEMAP_EXTENT_UNKNOWN

The location of this extent is currently unknown. This may indicate

The location of this extent is currently unknown. This may indicate

CRA Git | Maintained and supported by SUSTech CRA and CCSE