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authorDave Hansen <haveblue@us.ibm.com>2008-02-15 17:37:43 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2008-04-19 00:29:24 -0400
commit20ddee2c75339cc095f6191c3115f81da8955e96 (patch)
treede675e92d25f9946026132ac634c08f1c6e87916
parent74f9fdfa1f229284ee1ea58fa47f2cdeeb12f6fe (diff)
[PATCH] r/o bind mounts: write count for file_update_time()
Acked-by: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/inode.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/inode.c b/fs/inode.c
index 6f6250c08ce6..27ee1af50d02 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1250,10 +1250,13 @@ void file_update_time(struct file *file)
1250 struct inode *inode = file->f_path.dentry->d_inode; 1250 struct inode *inode = file->f_path.dentry->d_inode;
1251 struct timespec now; 1251 struct timespec now;
1252 int sync_it = 0; 1252 int sync_it = 0;
1253 int err;
1253 1254
1254 if (IS_NOCMTIME(inode)) 1255 if (IS_NOCMTIME(inode))
1255 return; 1256 return;
1256 if (IS_RDONLY(inode)) 1257
1258 err = mnt_want_write(file->f_path.mnt);
1259 if (err)
1257 return; 1260 return;
1258 1261
1259 now = current_fs_time(inode->i_sb); 1262 now = current_fs_time(inode->i_sb);
@@ -1274,6 +1277,7 @@ void file_update_time(struct file *file)
1274 1277
1275 if (sync_it) 1278 if (sync_it)
1276 mark_inode_dirty_sync(inode); 1279 mark_inode_dirty_sync(inode);
1280 mnt_drop_write(file->f_path.mnt);
1277} 1281}
1278 1282
1279EXPORT_SYMBOL(file_update_time); 1283EXPORT_SYMBOL(file_update_time);