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| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-11 12:39:47 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2008-10-23 05:13:03 -0400 |
| commit | f3f8e17571934ea253339e15c4ec9b34ea623c6b (patch) | |
| tree | ad3375ace9781dd3912a7b3258a8cbf0b31837d1 /fs/exportfs | |
| parent | 9308a6128d9074e348d9f9b5822546fe12a794a9 (diff) | |
| download | linux-3.10-f3f8e17571934ea253339e15c4ec9b34ea623c6b.tar.gz linux-3.10-f3f8e17571934ea253339e15c4ec9b34ea623c6b.tar.bz2 linux-3.10-f3f8e17571934ea253339e15c4ec9b34ea623c6b.zip | |
[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.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c index 7b0f75dcf80..51bdc5cab06 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; |