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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-10 13:14:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-10 19:54:35 -0700
commit26fe575028703948880fce4355a210c76bb0536e (patch)
tree0a7d04289e1eb1f1739659ebc9498d40f2add5da /fs/nilfs2
parentee983e89670704b2a05e897b161f2674a42d1508 (diff)
vfs: make it possible to access the dentry hash/len as one 64-bit entry
This allows comparing hash and len in one operation on 64-bit architectures. Right now only __d_lookup_rcu() takes advantage of this, since that is the case we care most about. The use of anonymous struct/unions hides the alternate 64-bit approach from most users, the exception being a few cases where we initialize a 'struct qstr' with a static initializer. This makes the problematic cases use a new QSTR_INIT() helper function for that (but initializing just the name pointer with a "{ .name = xyzzy }" initializer remains valid, as does just copying another qstr structure). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/nilfs2')
-rw-r--r--fs/nilfs2/namei.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index fce2bbee66d4..0bb2c2010b95 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -441,7 +441,7 @@ static struct dentry *nilfs_get_parent(struct dentry *child)
{
unsigned long ino;
struct inode *inode;
- struct qstr dotdot = {.name = "..", .len = 2};
+ struct qstr dotdot = QSTR_INIT("..", 2);
struct nilfs_root *root;
ino = nilfs_inode_by_name(child->d_inode, &dotdot);