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| author | Latchesar Ionkov <lucho@ionkov.net> | 2006-01-08 01:05:00 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-08 20:14:06 -0800 |
| commit | 531b1094b74365dcc55fa464d28a9a2497ae825d (patch) | |
| tree | a0384dabe3be1c844166d028b3ef7c21c3dfe5fc /fs/9p/vfs_super.c | |
| parent | d8da097afb765654c866062148fd98b11db9003e (diff) | |
| download | linux-531b1094b74365dcc55fa464d28a9a2497ae825d.tar.bz2 | |
[PATCH] v9fs: zero copy implementation
Performance enhancement reducing the number of copies in the data and
stat paths.
Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/9p/vfs_super.c')
| -rw-r--r-- | fs/9p/vfs_super.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index 83b6edd0988a..d4d71a9ca573 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -44,7 +44,6 @@ #include "v9fs.h" #include "9p.h" #include "v9fs_vfs.h" -#include "conv.h" #include "fid.h" static void v9fs_clear_inode(struct inode *); @@ -123,10 +122,11 @@ static struct super_block *v9fs_get_sb(struct file_system_type dprintk(DEBUG_VFS, " \n"); - v9ses = kcalloc(1, sizeof(struct v9fs_session_info), GFP_KERNEL); + v9ses = kmalloc(sizeof(struct v9fs_session_info), GFP_KERNEL); if (!v9ses) return ERR_PTR(-ENOMEM); + memset(v9ses, 0, sizeof(struct v9fs_session_info)); if ((newfid = v9fs_session_init(v9ses, dev_name, data)) < 0) { dprintk(DEBUG_ERROR, "problem initiating session\n"); kfree(v9ses); @@ -168,10 +168,10 @@ static struct super_block *v9fs_get_sb(struct file_system_type goto put_back_sb; } - root_fid->qid = fcall->params.rstat.stat->qid; + root_fid->qid = fcall->params.rstat.stat.qid; root->d_inode->i_ino = - v9fs_qid2ino(&fcall->params.rstat.stat->qid); - v9fs_mistat2inode(fcall->params.rstat.stat, root->d_inode, sb); + v9fs_qid2ino(&fcall->params.rstat.stat.qid); + v9fs_stat2inode(&fcall->params.rstat.stat, root->d_inode, sb); } kfree(fcall); |