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authorJ. Bruce Fields <bfields@citi.umich.edu>2009-06-15 18:47:56 -0700
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-06-15 18:52:47 -0700
commit9d2a3f31d6d7832cd441eeda08bc2266cdd5d972 (patch)
treec2089263f2d68ff9c5174ebea96ef0cbcb085682 /fs/nfsd
parent6aad89c8376e432231b78d1bdbcc10ef7708b011 (diff)
nfsd: track last inode only in use_wgather case
Updating last_ino and last_dev probably isn't useful in the !use_wgather case. Also remove some pointless ifdef'd-out code. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/vfs.c25
1 files changed, 10 insertions, 15 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index f30cc4eadb0..ebf56c6040c 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1026,7 +1026,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
if (host_err >= 0 && (inode->i_mode & (S_ISUID | S_ISGID)))
kill_suid(dentry);
- if (host_err >= 0 && stable) {
+ if (host_err >= 0 && stable && use_wgather) {
static ino_t last_ino;
static dev_t last_dev;
@@ -1042,21 +1042,16 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
* nice and simple solution (IMHO), and it seems to
* work:-)
*/
- if (use_wgather) {
- if (atomic_read(&inode->i_writecount) > 1
- || (last_ino == inode->i_ino && last_dev == inode->i_sb->s_dev)) {
- dprintk("nfsd: write defer %d\n", task_pid_nr(current));
- msleep(10);
- dprintk("nfsd: write resume %d\n", task_pid_nr(current));
- }
+ if (atomic_read(&inode->i_writecount) > 1
+ || (last_ino == inode->i_ino && last_dev == inode->i_sb->s_dev)) {
+ dprintk("nfsd: write defer %d\n", task_pid_nr(current));
+ msleep(10);
+ dprintk("nfsd: write resume %d\n", task_pid_nr(current));
+ }
- if (inode->i_state & I_DIRTY) {
- dprintk("nfsd: write sync %d\n", task_pid_nr(current));
- host_err=nfsd_sync(file);
- }
-#if 0
- wake_up(&inode->i_wait);
-#endif
+ if (inode->i_state & I_DIRTY) {
+ dprintk("nfsd: write sync %d\n", task_pid_nr(current));
+ host_err=nfsd_sync(file);
}
last_ino = inode->i_ino;
last_dev = inode->i_sb->s_dev;