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| author | Wengang Wang | 2018-11-17 00:08:25 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2018-11-18 19:15:09 +0100 |
| commit | 5040f8df56fb90c7919f1c9b0b6e54c843437456 (patch) | |
| tree | 4f85a758e8dcd76ff7320a2cc35412b9eff65dc7 /mm/gup.c | |
| parent | scripts/faddr2line: fix location of start_kernel in comment (diff) | |
| download | kernel-qcow2-linux-5040f8df56fb90c7919f1c9b0b6e54c843437456.tar.gz kernel-qcow2-linux-5040f8df56fb90c7919f1c9b0b6e54c843437456.tar.xz kernel-qcow2-linux-5040f8df56fb90c7919f1c9b0b6e54c843437456.zip | |
ocfs2: free up write context when direct IO failed
The write context should also be freed even when direct IO failed.
Otherwise a memory leak is introduced and entries remain in
oi->ip_unwritten_list causing the following BUG later in unlink path:
ERROR: bug expression: !list_empty(&oi->ip_unwritten_list)
ERROR: Clear inode of 215043, inode has unwritten extents
...
Call Trace:
? __set_current_blocked+0x42/0x68
ocfs2_evict_inode+0x91/0x6a0 [ocfs2]
? bit_waitqueue+0x40/0x33
evict+0xdb/0x1af
iput+0x1a2/0x1f7
do_unlinkat+0x194/0x28f
SyS_unlinkat+0x1b/0x2f
do_syscall_64+0x79/0x1ae
entry_SYSCALL_64_after_hwframe+0x151/0x0
This patch also logs, with frequency limit, direct IO failures.
Link: http://lkml.kernel.org/r/20181102170632.25921-1-wen.gang.wang@oracle.com
Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Reviewed-by: Junxiao Bi <junxiao.bi@oracle.com>
Reviewed-by: Changwei Ge <ge.changwei@h3c.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/gup.c')
0 files changed, 0 insertions, 0 deletions