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Commit 50e69630 authored by Al Viro's avatar Al Viro Committed by Linus Torvalds
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vfs: d_invalidate() should leave mountpoints alone 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a8445060

fs/dcache.c

+4 −2
Original line number Diff line number Diff line
@@ -546,9 +546,11 @@ int d_invalidate(struct dentry * dentry) 
	 * would make it unreachable from the root,

	 * we might still populate it if it was a

	 * working directory or similar).

	 * We also need to leave mountpoints alone,

	 * directory or not.

	 */

	if (dentry->d_count > 1) {

		if (dentry->d_inode && S_ISDIR(dentry->d_inode->i_mode)) {

	if (dentry->d_count > 1 && dentry->d_inode) {

		if (S_ISDIR(dentry->d_inode->i_mode) || d_mountpoint(dentry)) {

			spin_unlock(&dentry->d_lock);

			return -EBUSY;

		}