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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-11 12:39:47 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2008-10-23 05:13:03 -0400
commitf3f8e17571934ea253339e15c4ec9b34ea623c6b (patch)
treead3375ace9781dd3912a7b3258a8cbf0b31837d1 /fs/exportfs
parent9308a6128d9074e348d9f9b5822546fe12a794a9 (diff)
downloadlinux-stericsson-f3f8e17571934ea253339e15c4ec9b34ea623c6b.tar.gz
[PATCH] reduce the stack footprint of exportfs_decode_fh()
no need to have _two_ 256-byte arrays on stack... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/exportfs')
-rw-r--r--fs/exportfs/expfs.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index 7b0f75dcf800..51bdc5cab069 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -94,9 +94,8 @@ find_disconnected_root(struct dentry *dentry)
* It may already be, as the flag isn't always updated when connection happens.
*/
static int
-reconnect_path(struct vfsmount *mnt, struct dentry *target_dir)
+reconnect_path(struct vfsmount *mnt, struct dentry *target_dir, char *nbuf)
{
- char nbuf[NAME_MAX+1];
int noprogress = 0;
int err = -ESTALE;
@@ -360,6 +359,7 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
{
const struct export_operations *nop = mnt->mnt_sb->s_export_op;
struct dentry *result, *alias;
+ char nbuf[NAME_MAX+1];
int err;
/*
@@ -379,7 +379,7 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
* filesystem root.
*/
if (result->d_flags & DCACHE_DISCONNECTED) {
- err = reconnect_path(mnt, result);
+ err = reconnect_path(mnt, result, nbuf);
if (err)
goto err_result;
}
@@ -395,7 +395,6 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
* It's not a directory. Life is a little more complicated.
*/
struct dentry *target_dir, *nresult;
- char nbuf[NAME_MAX+1];
/*
* See if either the dentry we just got from the filesystem
@@ -429,7 +428,7 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
* connected to the filesystem root. The VFS really doesn't
* like disconnected directories..
*/
- err = reconnect_path(mnt, target_dir);
+ err = reconnect_path(mnt, target_dir, nbuf);
if (err) {
dput(target_dir);
goto err_result;