summaryrefslogtreecommitdiff
path: root/Documentation/filesystems
diff options
context:
space:
mode:
authorRitesh Harjani <riteshh@linux.ibm.com>2020-02-28 14:56:59 +0530
committerTheodore Ts'o <tytso@mit.edu>2020-03-14 14:43:13 -0400
commit7af44c42df37094fd95897653fdaaa7b76c0539a (patch)
treec67df8545c47bebb8aa87b517d75e879fa093b64 /Documentation/filesystems
parentd3b6f23f71670007817a5d59f3fbafab2b794e8c (diff)
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')
-rw-r--r--Documentation/filesystems/fiemap.txt6
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