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authorJan Kara <jack@suse.cz>2012-06-12 18:20:33 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-07-31 01:02:51 +0400
commit4a55c1017b8dcfd0554734ce3f19374d5b522d59 (patch)
tree11bb9456d121ff1cc0adad10da12b25083823a19 /include/linux/nfsd
parente7848683ae7ded0a4a8964122a47da9104a98337 (diff)
downloadlinux-4a55c1017b8dcfd0554734ce3f19374d5b522d59.tar.xz
nfsd: Push mnt_want_write() outside of i_mutex
When mnt_want_write() starts to handle freezing it will get a full lock semantics requiring proper lock ordering. So push mnt_want_write() call consistently outside of i_mutex. CC: linux-nfs@vger.kernel.org CC: "J. Bruce Fields" <bfields@fieldses.org> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/nfsd')
-rw-r--r--include/linux/nfsd/nfsfh.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfsd/nfsfh.h b/include/linux/nfsd/nfsfh.h
index ce4743a26015..fa63048fecff 100644
--- a/include/linux/nfsd/nfsfh.h
+++ b/include/linux/nfsd/nfsfh.h
@@ -143,6 +143,7 @@ typedef struct svc_fh {
int fh_maxsize; /* max size for fh_handle */
unsigned char fh_locked; /* inode locked by us */
+ unsigned char fh_want_write; /* remount protection taken */
#ifdef CONFIG_NFSD_V3
unsigned char fh_post_saved; /* post-op attrs saved */