diff options
author | Namjae Jeon <namjae.jeon@samsung.com> | 2014-07-31 09:38:11 +1000 |
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committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2014-08-13 13:08:49 +1000 |
commit | 27ef5a735c7882c0a2e5d2c705c94549cc111178 (patch) | |
tree | 0cb246c999cc75e3abdb5919759534d4195975c9 /Documentation | |
parent | 936a45fe1358ef0609028d03f8c70a8884db893c (diff) |
Documentation/filesystems/vfat.txt: update the limitation for fat fallocate
Update the limitation for fat fallocate.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/filesystems/vfat.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/filesystems/vfat.txt b/Documentation/filesystems/vfat.txt index ce1126aceed8..223c32171dcc 100644 --- a/Documentation/filesystems/vfat.txt +++ b/Documentation/filesystems/vfat.txt @@ -180,6 +180,16 @@ dos1xfloppy -- If set, use a fallback default BIOS Parameter Block <bool>: 0,1,yes,no,true,false +LIMITATION +--------------------------------------------------------------------- +* The fallocated region of file is discarded at umount/evict time + when using fallocate with FALLOC_FL_KEEP_SIZE. + So, User should assume that fallocated region can be discarded at + last close if there is memory pressure resulting in eviction of + the inode from the memory. As a result, for any dependency on + the fallocated region, user should make sure to recheck fallocate + after reopening the file. + TODO ---------------------------------------------------------------------- * Need to get rid of the raw scanning stuff. Instead, always use |