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(parent: 35d62a9) | patch
Btrfs: take i_mutex before generic_write_checks
authorChris Mason <chris.mason@oracle.com>
Thu, 1 Oct 2009 16:29:10 +0000 (12:29 -0400)
committerChris Mason <chris.mason@oracle.com>
Thu, 1 Oct 2009 16:29:10 +0000 (12:29 -0400)
commitab93dbecfba72bbc04b7036343d180aaff1b61a3
tree6bb523dcf9be0885b6fa9cb6cc9ac694ee089028tree | snapshot
parent35d62a942db5ae03104929fe7397835b572c4bc4commit | diff
Btrfs: take i_mutex before generic_write_checks

btrfs_file_write was incorrectly calling generic_write_checks without
taking i_mutex.  This lead to problems with racing around i_size when
doing O_APPEND writes.

The fix here is to move i_mutex higher.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/file.c diff | blob | history
Domain: System / Kernel;