fat: use fat_detach() in fat_clear_inode()

[linux-2.6-omap-h63xx.git] / fs / xfs / quota / xfs_dquot.c

diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index fc9f3fb39b7b31bfe7d0a778b69c4f7eb049eea7..f2705f2fd43c264674660da0285adb5e5a2c39db 100644 (file)
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -101,11 +101,18 @@ xfs_qm_dqinit(
        if (brandnewdquot) {
                dqp->dq_flnext = dqp->dq_flprev = dqp;
                mutex_init(&dqp->q_qlock);
-               initnsema(&dqp->q_flock, 1, "fdq");
                sv_init(&dqp->q_pinwait, SV_DEFAULT, "pdq");
 
+               /*
+                * Because we want to use a counting completion, complete
+                * the flush completion once to allow a single access to
+                * the flush completion without blocking.
+                */
+               init_completion(&dqp->q_flush);
+               complete(&dqp->q_flush);
+
 #ifdef XFS_DQUOT_TRACE
-               dqp->q_trace = ktrace_alloc(DQUOT_TRACE_SIZE, KM_SLEEP);
+               dqp->q_trace = ktrace_alloc(DQUOT_TRACE_SIZE, KM_NOFS);
                xfs_dqtrace_entry(dqp, "DQINIT");
 #endif
        } else {
@@ -150,7 +157,6 @@ xfs_qm_dqdestroy(
        ASSERT(! XFS_DQ_IS_ON_FREELIST(dqp));
 
        mutex_destroy(&dqp->q_qlock);
-       freesema(&dqp->q_flock);
        sv_destroy(&dqp->q_pinwait);
 
 #ifdef XFS_DQUOT_TRACE
@@ -431,7 +437,7 @@ xfs_qm_dqalloc(
         * when it unlocks the inode. Since we want to keep the quota
         * inode around, we bump the vnode ref count now.
         */
-       VN_HOLD(XFS_ITOV(quotip));
+       IHOLD(quotip);
 
        xfs_trans_ijoin(tp, quotip, XFS_ILOCK_EXCL);
        nmaps = 1;
@@ -1211,7 +1217,7 @@ xfs_qm_dqflush(
        int                     error;
 
        ASSERT(XFS_DQ_IS_LOCKED(dqp));
-       ASSERT(XFS_DQ_IS_FLUSH_LOCKED(dqp));
+       ASSERT(!completion_done(&dqp->q_flush));
        xfs_dqtrace_entry(dqp, "DQFLUSH");
 
        /*
@@ -1348,34 +1354,18 @@ xfs_qm_dqflush_done(
        xfs_dqfunlock(dqp);
 }
 
-
-int
-xfs_qm_dqflock_nowait(
-       xfs_dquot_t *dqp)
-{
-       int locked;
-
-       locked = cpsema(&((dqp)->q_flock));
-
-       /* XXX ifdef these out */
-       if (locked)
-               (dqp)->dq_flags |= XFS_DQ_FLOCKED;
-       return (locked);
-}
-
-
 int
 xfs_qm_dqlock_nowait(
        xfs_dquot_t *dqp)
 {
-       return (mutex_trylock(&((dqp)->q_qlock)));
+       return mutex_trylock(&dqp->q_qlock);
 }
 
 void
 xfs_dqlock(
        xfs_dquot_t *dqp)
 {
-       mutex_lock(&(dqp->q_qlock));
+       mutex_lock(&dqp->q_qlock);
 }
 
 void
@@ -1468,7 +1458,7 @@ xfs_qm_dqpurge(
         * if we're turning off quotas. Basically, we need this flush
         * lock, and are willing to block on it.
         */
-       if (! xfs_qm_dqflock_nowait(dqp)) {
+       if (!xfs_dqflock_nowait(dqp)) {
                /*
                 * Block on the flush lock after nudging dquot buffer,
                 * if it is incore.