Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes
authorLinus Torvalds <torvalds@linux-foundation.org>
Wed, 15 Apr 2009 16:04:12 +0000 (09:04 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 15 Apr 2009 16:04:12 +0000 (09:04 -0700)
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes:
  GFS2: Use DEFINE_SPINLOCK
  GFS2: cleanup file_operations mess
  GFS2: Move umount flush rwsem
  GFS2: Fix symlink creation race
  GFS2: Make quotad's waiting interruptible

fs/gfs2/glock.c
fs/gfs2/inode.c
fs/gfs2/inode.h
fs/gfs2/ops_file.c
fs/gfs2/ops_inode.c
fs/gfs2/quota.c

index 3984e47d1d334dbb6112e3e2f99a91c76f55daa1..1afd9f26bcb118287bf008355439ea8aba5597fc 100644 (file)
@@ -597,7 +597,6 @@ __acquires(&gl->gl_spin)
 
        GLOCK_BUG_ON(gl, test_bit(GLF_DEMOTE_IN_PROGRESS, &gl->gl_flags));
 
-       down_read(&gfs2_umount_flush_sem);
        if (test_bit(GLF_DEMOTE, &gl->gl_flags) &&
            gl->gl_demote_state != gl->gl_state) {
                if (find_first_holder(gl))
@@ -614,15 +613,14 @@ __acquires(&gl->gl_spin)
                if (ret == 0)
                        goto out_unlock;
                if (ret == 2)
-                       goto out_sem;
+                       goto out;
                gh = find_first_waiter(gl);
                gl->gl_target = gh->gh_state;
                if (!(gh->gh_flags & (LM_FLAG_TRY | LM_FLAG_TRY_1CB)))
                        do_error(gl, 0); /* Fail queued try locks */
        }
        do_xmote(gl, gh, gl->gl_target);
-out_sem:
-       up_read(&gfs2_umount_flush_sem);
+out:
        return;
 
 out_sched:
@@ -631,7 +629,7 @@ out_sched:
                gfs2_glock_put(gl);
 out_unlock:
        clear_bit(GLF_LOCK, &gl->gl_flags);
-       goto out_sem;
+       goto out;
 }
 
 static void glock_work_func(struct work_struct *work)
@@ -641,6 +639,7 @@ static void glock_work_func(struct work_struct *work)
 
        if (test_and_clear_bit(GLF_REPLY_PENDING, &gl->gl_flags))
                finish_xmote(gl, gl->gl_reply);
+       down_read(&gfs2_umount_flush_sem);
        spin_lock(&gl->gl_spin);
        if (test_and_clear_bit(GLF_PENDING_DEMOTE, &gl->gl_flags) &&
            gl->gl_state != LM_ST_UNLOCKED &&
@@ -653,6 +652,7 @@ static void glock_work_func(struct work_struct *work)
        }
        run_queue(gl, 0);
        spin_unlock(&gl->gl_spin);
+       up_read(&gfs2_umount_flush_sem);
        if (!delay ||
            queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0)
                gfs2_glock_put(gl);
index 7b277d4491558f4e360ac8c51002237009535775..5a31d426116fbba09788f4c99be8a5e2e710b074 100644 (file)
@@ -137,15 +137,15 @@ void gfs2_set_iop(struct inode *inode)
        if (S_ISREG(mode)) {
                inode->i_op = &gfs2_file_iops;
                if (gfs2_localflocks(sdp))
-                       inode->i_fop = gfs2_file_fops_nolock;
+                       inode->i_fop = &gfs2_file_fops_nolock;
                else
-                       inode->i_fop = gfs2_file_fops;
+                       inode->i_fop = &gfs2_file_fops;
        } else if (S_ISDIR(mode)) {
                inode->i_op = &gfs2_dir_iops;
                if (gfs2_localflocks(sdp))
-                       inode->i_fop = gfs2_dir_fops_nolock;
+                       inode->i_fop = &gfs2_dir_fops_nolock;
                else
-                       inode->i_fop = gfs2_dir_fops;
+                       inode->i_fop = &gfs2_dir_fops;
        } else if (S_ISLNK(mode)) {
                inode->i_op = &gfs2_symlink_iops;
        } else {
index dca4fee3078b39c7638138761222fce61757255c..c30be2b66580f9740cfa07f65abc1b45c2ad8181 100644 (file)
@@ -101,21 +101,23 @@ void gfs2_dinode_print(const struct gfs2_inode *ip);
 extern const struct inode_operations gfs2_file_iops;
 extern const struct inode_operations gfs2_dir_iops;
 extern const struct inode_operations gfs2_symlink_iops;
-extern const struct file_operations *gfs2_file_fops_nolock;
-extern const struct file_operations *gfs2_dir_fops_nolock;
+extern const struct file_operations gfs2_file_fops_nolock;
+extern const struct file_operations gfs2_dir_fops_nolock;
 
 extern void gfs2_set_inode_flags(struct inode *inode);
  
 #ifdef CONFIG_GFS2_FS_LOCKING_DLM
-extern const struct file_operations *gfs2_file_fops;
-extern const struct file_operations *gfs2_dir_fops;
+extern const struct file_operations gfs2_file_fops;
+extern const struct file_operations gfs2_dir_fops;
+
 static inline int gfs2_localflocks(const struct gfs2_sbd *sdp)
 {
        return sdp->sd_args.ar_localflocks;
 }
 #else /* Single node only */
-#define gfs2_file_fops NULL
-#define gfs2_dir_fops NULL
+#define gfs2_file_fops gfs2_file_fops_nolock
+#define gfs2_dir_fops gfs2_dir_fops_nolock
+
 static inline int gfs2_localflocks(const struct gfs2_sbd *sdp)
 {
        return 1;
index 70b9b8548945d92450afc5936eddf72744ecccd7..101caf3ee86180b2197568e406dc57922218f474 100644 (file)
@@ -705,7 +705,7 @@ static int gfs2_flock(struct file *file, int cmd, struct file_lock *fl)
        }
 }
 
-const struct file_operations *gfs2_file_fops = &(const struct file_operations){
+const struct file_operations gfs2_file_fops = {
        .llseek         = gfs2_llseek,
        .read           = do_sync_read,
        .aio_read       = generic_file_aio_read,
@@ -723,7 +723,7 @@ const struct file_operations *gfs2_file_fops = &(const struct file_operations){
        .setlease       = gfs2_setlease,
 };
 
-const struct file_operations *gfs2_dir_fops = &(const struct file_operations){
+const struct file_operations gfs2_dir_fops = {
        .readdir        = gfs2_readdir,
        .unlocked_ioctl = gfs2_ioctl,
        .open           = gfs2_open,
@@ -735,7 +735,7 @@ const struct file_operations *gfs2_dir_fops = &(const struct file_operations){
 
 #endif /* CONFIG_GFS2_FS_LOCKING_DLM */
 
-const struct file_operations *gfs2_file_fops_nolock = &(const struct file_operations){
+const struct file_operations gfs2_file_fops_nolock = {
        .llseek         = gfs2_llseek,
        .read           = do_sync_read,
        .aio_read       = generic_file_aio_read,
@@ -751,7 +751,7 @@ const struct file_operations *gfs2_file_fops_nolock = &(const struct file_operat
        .setlease       = generic_setlease,
 };
 
-const struct file_operations *gfs2_dir_fops_nolock = &(const struct file_operations){
+const struct file_operations gfs2_dir_fops_nolock = {
        .readdir        = gfs2_readdir,
        .unlocked_ioctl = gfs2_ioctl,
        .open           = gfs2_open,
index abd5429ae2856a9d275ca75bd9273598994e94f1..1c70fa5168d6aa46ddf872f326a2a1399bee981a 100644 (file)
@@ -371,6 +371,7 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry,
        ip = ghs[1].gh_gl->gl_object;
 
        ip->i_disksize = size;
+       i_size_write(inode, size);
 
        error = gfs2_meta_inode_buffer(ip, &dibh);
 
index 8d53f66b5bccda2944049b5d4adebe64a9a2efb7..152e6c4a0dca2b467df51d1eb9defa92a903ffab 100644 (file)
@@ -81,7 +81,7 @@ struct gfs2_quota_change_host {
 
 static LIST_HEAD(qd_lru_list);
 static atomic_t qd_lru_count = ATOMIC_INIT(0);
-static spinlock_t qd_lru_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(qd_lru_lock);
 
 int gfs2_shrink_qd_memory(int nr, gfp_t gfp_mask)
 {
@@ -1364,7 +1364,7 @@ int gfs2_quotad(void *data)
                        refrigerator();
                t = min(quotad_timeo, statfs_timeo);
 
-               prepare_to_wait(&sdp->sd_quota_wait, &wait, TASK_UNINTERRUPTIBLE);
+               prepare_to_wait(&sdp->sd_quota_wait, &wait, TASK_INTERRUPTIBLE);
                spin_lock(&sdp->sd_trunc_lock);
                empty = list_empty(&sdp->sd_trunc_list);
                spin_unlock(&sdp->sd_trunc_lock);