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authorAlexey Dobriyan <adobriyan@gmail.com>2009-05-04 03:32:03 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2009-06-11 21:36:06 -0400
commitf3da392e9ff14b9f388e74319e6d195848991c07 (patch)
treed9e7660e5c0b4524aeaafcc5b89a9d68a7ca3817 /fs/dcache.c
parent8c85e125124a473d6f3e9bb187b0b84207f81d91 (diff)
downloadlinux-f3da392e9ff14b9f388e74319e6d195848991c07.tar.bz2
dcache: extrace and use d_unlinked()
d_unlinked() will be used in middle-term to ban checkpointing when opened but unlinked file is detected, and in long term, to detect such situation and special case on it. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/dcache.c')
-rw-r--r--fs/dcache.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 75659a6fd1f8..9e5cd3c3a6ba 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1910,7 +1910,7 @@ char *__d_path(const struct path *path, struct path *root,
spin_lock(&vfsmount_lock);
prepend(&end, &buflen, "\0", 1);
- if (!IS_ROOT(dentry) && d_unhashed(dentry) &&
+ if (d_unlinked(dentry) &&
(prepend(&end, &buflen, " (deleted)", 10) != 0))
goto Elong;
@@ -2035,7 +2035,7 @@ char *dentry_path(struct dentry *dentry, char *buf, int buflen)
spin_lock(&dcache_lock);
prepend(&end, &buflen, "\0", 1);
- if (!IS_ROOT(dentry) && d_unhashed(dentry) &&
+ if (d_unlinked(dentry) &&
(prepend(&end, &buflen, "//deleted", 9) != 0))
goto Elong;
if (buflen < 1)
@@ -2097,9 +2097,8 @@ SYSCALL_DEFINE2(getcwd, char __user *, buf, unsigned long, size)
read_unlock(&current->fs->lock);
error = -ENOENT;
- /* Has the current directory has been unlinked? */
spin_lock(&dcache_lock);
- if (IS_ROOT(pwd.dentry) || !d_unhashed(pwd.dentry)) {
+ if (!d_unlinked(pwd.dentry)) {
unsigned long len;
struct path tmp = root;
char * cwd;