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authorLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 15:34:18 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 15:34:18 +0900
commit9bc9ccd7db1c9f043f75380b5a5b94912046a60e (patch)
treedd0a1b3396ae9414f668b0110cc39d11268ad3ed /fs/cifs/connect.c
parentf0230294271f511b41797305b685365a9e569a09 (diff)
parentbdd3536618443809d18868563eeafa63b9d29603 (diff)
downloadlinux-9bc9ccd7db1c9f043f75380b5a5b94912046a60e.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs updates from Al Viro: "All kinds of stuff this time around; some more notable parts: - RCU'd vfsmounts handling - new primitives for coredump handling - files_lock is gone - Bruce's delegations handling series - exportfs fixes plus misc stuff all over the place" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (101 commits) ecryptfs: ->f_op is never NULL locks: break delegations on any attribute modification locks: break delegations on link locks: break delegations on rename locks: helper functions for delegation breaking locks: break delegations on unlink namei: minor vfs_unlink cleanup locks: implement delegations locks: introduce new FL_DELEG lock flag vfs: take i_mutex on renamed file vfs: rename I_MUTEX_QUOTA now that it's not used for quotas vfs: don't use PARENT/CHILD lock classes for non-directories vfs: pull ext4's double-i_mutex-locking into common code exportfs: fix quadratic behavior in filehandle lookup exportfs: better variable name exportfs: move most of reconnect_path to helper function exportfs: eliminate unused "noprogress" counter exportfs: stop retrying once we race with rename/remove exportfs: clear DISCONNECTED on all parents sooner exportfs: more detailed comment for path_reconnect ...
Diffstat (limited to 'fs/cifs/connect.c')
-rw-r--r--fs/cifs/connect.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 62a55147400a..8813ff776ba3 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3770,6 +3770,13 @@ CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
return rc;
}
+static void delayed_free(struct rcu_head *p)
+{
+ struct cifs_sb_info *sbi = container_of(p, struct cifs_sb_info, rcu);
+ unload_nls(sbi->local_nls);
+ kfree(sbi);
+}
+
void
cifs_umount(struct cifs_sb_info *cifs_sb)
{
@@ -3794,8 +3801,7 @@ cifs_umount(struct cifs_sb_info *cifs_sb)
bdi_destroy(&cifs_sb->bdi);
kfree(cifs_sb->mountdata);
- unload_nls(cifs_sb->local_nls);
- kfree(cifs_sb);
+ call_rcu(&cifs_sb->rcu, delayed_free);
}
int