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authorTejun Heo <tj@kernel.org>2011-11-21 12:32:22 -0800
committerTejun Heo <tj@kernel.org>2011-11-21 12:32:22 -0800
commita0acae0e886d44bd5ce6d2f173c1ace0fcf0d9f6 (patch)
tree0b763388360a5a9043986e1f2201e43df74ebc46 /fs/gfs2/quota.c
parent3a7cbd50f74907580eb47a8d08e1f29741b81abf (diff)
downloadop-kernel-dev-a0acae0e886d44bd5ce6d2f173c1ace0fcf0d9f6.zip
op-kernel-dev-a0acae0e886d44bd5ce6d2f173c1ace0fcf0d9f6.tar.gz
freezer: unexport refrigerator() and update try_to_freeze() slightly
There is no reason to export two functions for entering the refrigerator. Calling refrigerator() instead of try_to_freeze() doesn't save anything noticeable or removes any race condition. * Rename refrigerator() to __refrigerator() and make it return bool indicating whether it scheduled out for freezing. * Update try_to_freeze() to return bool and relay the return value of __refrigerator() if freezing(). * Convert all refrigerator() users to try_to_freeze(). * Update documentation accordingly. * While at it, add might_sleep() to try_to_freeze(). Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Samuel Ortiz <samuel@sortiz.org> Cc: Chris Mason <chris.mason@oracle.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jan Kara <jack@suse.cz> Cc: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> Cc: Christoph Hellwig <hch@infradead.org>
Diffstat (limited to 'fs/gfs2/quota.c')
-rw-r--r--fs/gfs2/quota.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 7e528dc..d49669e 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1427,8 +1427,8 @@ int gfs2_quotad(void *data)
/* Check for & recover partially truncated inodes */
quotad_check_trunc_list(sdp);
- if (freezing(current))
- refrigerator();
+ try_to_freeze();
+
t = min(quotad_timeo, statfs_timeo);
prepare_to_wait(&sdp->sd_quota_wait, &wait, TASK_INTERRUPTIBLE);
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