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tmp_suning_uos_patched/fs/gfs2
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Benjamin Marzinski 96e5d1d3ad GFS2: Test bufdata with buffer locked and gfs2_log_lock held 
In gfs2_trans_add_bh(), gfs2 was testing if a there was a bd attached to the
buffer without having the gfs2_log_lock held. It was then assuming it would
stay attached for the rest of the function. However, without either the log
lock being held of the buffer locked, __gfs2_ail_flush() could detach bd at any
time.  This patch moves the locking before the test.  If there isn't a bd
already attached, gfs2 can safely allocate one and attach it before locking.
There is no way that the newly allocated bd could be on the ail list,
and thus no way for __gfs2_ail_flush() to detach it.

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-11-07 09:43:03 +00:00
..
acl.c userns: Pass a userns parameter into posix_acl_to_xattr and posix_acl_from_xattr 2012-09-18 01:01:35 -07:00
acl.h
aops.c GFS2: change function gfs2_direct_IO to use a normal gfs2_glock_dq 2012-09-24 10:47:06 +01:00
bmap.c GFS2: Add structure to contain rgrp, bitmap, offset tuple 2012-09-24 10:46:56 +01:00
bmap.h
dentry.c stop passing nameidata * to ->d_revalidate() 2012-07-14 16:34:14 +04:00
dir.c GFS2: Fold quota data into the reservations struct 2012-06-06 11:20:22 +01:00
dir.h
export.c tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking 2012-10-09 23:33:55 -04:00
file.c GFS2: Don't call file_accessed() with a shared glock 2012-11-07 09:42:49 +00:00
gfs2.h
glock.c GFS2: Eliminate redundant calls to may_grant 2012-09-24 10:47:12 +01:00
glock.h
glops.c GFS2: fix s_writers.counter imbalance in gfs2_ail_empty_gl 2012-09-24 10:47:29 +01:00
glops.h
incore.h GFS2: Consolidate free block searching functions 2012-09-24 10:47:26 +01:00
inode.c GFS2: Consolidate free block searching functions 2012-09-24 10:47:26 +01:00
inode.h GFS2: Remove unused argument from gfs2_internal_read 2012-04-24 16:44:37 +01:00
Kconfig
lock_dlm.c workqueue: deprecate flush[_delayed]_work_sync() 2012-08-20 14:51:24 -07:00
log.c GFS2: eliminate log elements and simplify 2012-05-02 09:14:36 +01:00
log.h GFS2: Clean up log write code path 2012-04-24 16:44:34 +01:00
lops.c GFS2: Test bufdata with buffer locked and gfs2_log_lock held 2012-11-07 09:43:03 +00:00
lops.h GFS2: eliminate log elements and simplify 2012-05-02 09:14:36 +01:00
main.c GFS2: Fold quota data into the reservations struct 2012-06-06 11:20:22 +01:00
Makefile
meta_io.c gfs2: nuke pdflush from comments 2012-08-04 12:15:40 +04:00
meta_io.h GFS2: Eliminate unused "new" parameter to gfs2_meta_indirect_buffer 2012-05-11 10:19:23 +01:00
ops_fstype.c GFS2: Get rid of I_MUTEX_QUOTA usage 2012-09-24 10:47:24 +01:00
quota.c GFS2: Fix an unchecked error from gfs2_rs_alloc 2012-11-07 09:40:05 +00:00
quota.h quota: Split dquot_quota_sync() to writeback and cache flushing part 2012-07-22 23:58:19 +04:00
recovery.c
recovery.h
rgrp.c GFS2: Fix FITRIM argument handling 2012-11-07 09:41:58 +00:00
rgrp.h GFS2: Consolidate free block searching functions 2012-09-24 10:47:26 +01:00
super.c GFS2: Don't call file_accessed() with a shared glock 2012-11-07 09:42:49 +00:00
super.h
sys.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw 2012-07-24 17:57:05 -07:00
sys.h
trace_gfs2.h GFS2: Improve block reservation tracing 2012-09-24 10:47:20 +01:00
trans.c GFS2: Test bufdata with buffer locked and gfs2_log_lock held 2012-11-07 09:43:03 +00:00
trans.h GFS2: Remove rs_requested field from reservations 2012-09-24 10:46:54 +01:00
util.c GFS2: Clean up log write code path 2012-04-24 16:44:34 +01:00
util.h GFS2: Fix error handling when reading an invalid block from the journal 2012-06-06 11:27:49 +01:00
xattr.c GFS2: Remove rs_requested field from reservations 2012-09-24 10:46:54 +01:00
xattr.h