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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-21 02:14:31 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-21 02:14:31 (GMT) |
commit | 1f0377ff088ed2971c57debc9b0c3b846ec431fd (patch) | |
tree | cd53c8981269e57e38e4285abd71cc990e1cfc67 /fs/dcache.c | |
parent | 54d46ea993744c5408e39ce0cb4851e13cbea716 (diff) | |
parent | b729d75d19777a5dd34672020516eada43ff026f (diff) | |
download | linux-fsl-qoriq-1f0377ff088ed2971c57debc9b0c3b846ec431fd.tar.xz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull VFS update from Al Viro:
"fscache fixes, ESTALE patchset, vmtruncate removal series, assorted
misc stuff."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (79 commits)
vfs: make lremovexattr retry once on ESTALE error
vfs: make removexattr retry once on ESTALE
vfs: make llistxattr retry once on ESTALE error
vfs: make listxattr retry once on ESTALE error
vfs: make lgetxattr retry once on ESTALE
vfs: make getxattr retry once on an ESTALE error
vfs: allow lsetxattr() to retry once on ESTALE errors
vfs: allow setxattr to retry once on ESTALE errors
vfs: allow utimensat() calls to retry once on an ESTALE error
vfs: fix user_statfs to retry once on ESTALE errors
vfs: make fchownat retry once on ESTALE errors
vfs: make fchmodat retry once on ESTALE errors
vfs: have chroot retry once on ESTALE error
vfs: have chdir retry lookup and call once on ESTALE error
vfs: have faccessat retry once on an ESTALE error
vfs: have do_sys_truncate retry once on an ESTALE error
vfs: fix renameat to retry on ESTALE errors
vfs: make do_unlinkat retry once on ESTALE errors
vfs: make do_rmdir retry once on ESTALE errors
vfs: add a flags argument to user_path_parent
...
Diffstat (limited to 'fs/dcache.c')
-rw-r--r-- | fs/dcache.c | 35 |
1 files changed, 2 insertions, 33 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 3a463d0..19153a0 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -455,24 +455,6 @@ void d_drop(struct dentry *dentry) EXPORT_SYMBOL(d_drop); /* - * d_clear_need_lookup - drop a dentry from cache and clear the need lookup flag - * @dentry: dentry to drop - * - * This is called when we do a lookup on a placeholder dentry that needed to be - * looked up. The dentry should have been hashed in order for it to be found by - * the lookup code, but now needs to be unhashed while we do the actual lookup - * and clear the DCACHE_NEED_LOOKUP flag. - */ -void d_clear_need_lookup(struct dentry *dentry) -{ - spin_lock(&dentry->d_lock); - __d_drop(dentry); - dentry->d_flags &= ~DCACHE_NEED_LOOKUP; - spin_unlock(&dentry->d_lock); -} -EXPORT_SYMBOL(d_clear_need_lookup); - -/* * Finish off a dentry we've decided to kill. * dentry->d_lock must be held, returns with it unlocked. * If ref is non-zero, then decrement the refcount too. @@ -565,13 +547,7 @@ repeat: if (d_unhashed(dentry)) goto kill_it; - /* - * If this dentry needs lookup, don't set the referenced flag so that it - * is more likely to be cleaned up by the dcache shrinker in case of - * memory pressure. - */ - if (!d_need_lookup(dentry)) - dentry->d_flags |= DCACHE_REFERENCED; + dentry->d_flags |= DCACHE_REFERENCED; dentry_lru_add(dentry); dentry->d_count--; @@ -1583,7 +1559,7 @@ EXPORT_SYMBOL(d_find_any_alias); */ struct dentry *d_obtain_alias(struct inode *inode) { - static const struct qstr anonstring = { .name = "" }; + static const struct qstr anonstring = QSTR_INIT("/", 1); struct dentry *tmp; struct dentry *res; @@ -1737,13 +1713,6 @@ struct dentry *d_add_ci(struct dentry *dentry, struct inode *inode, } /* - * We are going to instantiate this dentry, unhash it and clear the - * lookup flag so we can do that. - */ - if (unlikely(d_need_lookup(found))) - d_clear_need_lookup(found); - - /* * Negative dentry: instantiate it unless the inode is a directory and * already has a dentry. */ |