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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/gfs2/dir.c
parentee983e89670704b2a05e897b161f2674a42d1508 (diff)
downloadlinux-26fe575028703948880fce4355a210c76bb0536e.tar.bz2
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/gfs2/dir.c')
-rw-r--r--fs/gfs2/dir.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index a836056343f0..8aaeb07a07b5 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -821,7 +821,7 @@ static struct gfs2_leaf *new_leaf(struct inode *inode, struct buffer_head **pbh,
struct buffer_head *bh;
struct gfs2_leaf *leaf;
struct gfs2_dirent *dent;
- struct qstr name = { .name = "", .len = 0, .hash = 0 };
+ struct qstr name = { .name = "" };
error = gfs2_alloc_blocks(ip, &bn, &n, 0, NULL);
if (error)