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(parent: d2dc317) | patch
ext4: move check under lock scope to close a race.
authorDavide Italiano <dccitaliano@gmail.com>
Sun, 3 May 2015 03:21:15 +0000 (23:21 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Sun, 3 May 2015 03:21:15 +0000 (23:21 -0400)
commit280227a75b56ab5d35854f3a77ef74a7ad56a203
tree376af76e1cc5edefe88deb6fc6ac7f0d0f83a794tree | snapshot
parentd2dc317d564a46dfc683978a2e5a4f91434e9711commit | diff
ext4: move check under lock scope to close a race.

fallocate() checks that the file is extent-based and returns
EOPNOTSUPP in case is not. Other tasks can convert from and to
indirect and extent so it's safe to check only after grabbing
the inode mutex.

Signed-off-by: Davide Italiano <dccitaliano@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
fs/ext4/extents.c diff | blob | history
Linux kernel for KaRo TX COM modules