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-rw-r--r--fs/quota.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/quota.c b/fs/quota.c
index 612e04db4b9..ba9e0bf32f6 100644
--- a/fs/quota.c
+++ b/fs/quota.c
@@ -15,6 +15,7 @@
15#include <linux/security.h> 15#include <linux/security.h>
16#include <linux/syscalls.h> 16#include <linux/syscalls.h>
17#include <linux/buffer_head.h> 17#include <linux/buffer_head.h>
18#include <linux/capability.h>
18#include <linux/quotaops.h> 19#include <linux/quotaops.h>
19 20
20/* Check validity of generic quotactl commands */ 21/* Check validity of generic quotactl commands */
@@ -168,7 +169,7 @@ static void quota_sync_sb(struct super_block *sb, int type)
168 sync_blockdev(sb->s_bdev); 169 sync_blockdev(sb->s_bdev);
169 170
170 /* Now when everything is written we can discard the pagecache so 171 /* Now when everything is written we can discard the pagecache so
171 * that userspace sees the changes. We need i_sem and so we could 172 * that userspace sees the changes. We need i_mutex and so we could
172 * not do it inside dqonoff_sem. Moreover we need to be carefull 173 * not do it inside dqonoff_sem. Moreover we need to be carefull
173 * about races with quotaoff() (that is the reason why we have own 174 * about races with quotaoff() (that is the reason why we have own
174 * reference to inode). */ 175 * reference to inode). */
@@ -184,9 +185,9 @@ static void quota_sync_sb(struct super_block *sb, int type)
184 up(&sb_dqopt(sb)->dqonoff_sem); 185 up(&sb_dqopt(sb)->dqonoff_sem);
185 for (cnt = 0; cnt < MAXQUOTAS; cnt++) { 186 for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
186 if (discard[cnt]) { 187 if (discard[cnt]) {
187 down(&discard[cnt]->i_sem); 188 mutex_lock(&discard[cnt]->i_mutex);
188 truncate_inode_pages(&discard[cnt]->i_data, 0); 189 truncate_inode_pages(&discard[cnt]->i_data, 0);
189 up(&discard[cnt]->i_sem); 190 mutex_unlock(&discard[cnt]->i_mutex);
190 iput(discard[cnt]); 191 iput(discard[cnt]);
191 } 192 }
192 } 193 }