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[PATCH] r/o bind mounts: write count for file_update_time()

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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>
This commit is contained in:
Dave Hansen 2008-02-15 14:37:43 -08:00 committed by Al Viro
parent 74f9fdfa1f
commit 20ddee2c75
1 changed files with 5 additions and 1 deletions
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6
fs/inode.c
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@ -1250,10 +1250,13 @@ void file_update_time(struct file *file)
struct inode *inode = file->f_path.dentry->d_inode; struct inode *inode = file->f_path.dentry->d_inode;
struct timespec now; struct timespec now;
int sync_it = 0; int sync_it = 0;
int err;
if (IS_NOCMTIME(inode)) if (IS_NOCMTIME(inode))
return; return;
if (IS_RDONLY(inode))
err = mnt_want_write(file->f_path.mnt);
if (err)
return; return;
now = current_fs_time(inode->i_sb); now = current_fs_time(inode->i_sb);
@ -1274,6 +1277,7 @@ void file_update_time(struct file *file)
if (sync_it) if (sync_it)
mark_inode_dirty_sync(inode); mark_inode_dirty_sync(inode);
mnt_drop_write(file->f_path.mnt);
} }
EXPORT_SYMBOL(file_update_time); EXPORT_SYMBOL(file_update_time);