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quota: Convert dqio_mutex to rwsem

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Convert dqio_mutex to rwsem and call it dqio_sem. No functional changes
yet.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara
2017-06-08 14:39:48 +02:00
parent aae4e7a8bc
commit bc8230ee8e
7 changed files with 36 additions and 41 deletions
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2
fs/quota/quota_tree.c
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@@ -379,7 +379,7 @@ int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
if (!ddquot)
return -ENOMEM;
/* dq_off is guarded by dqio_mutex */
/* dq_off is guarded by dqio_sem */
if (!dquot->dq_off) {
ret = dq_insert_tree(info, dquot);
if (ret < 0) {