[GFS2] Add gfs2_is_writeback()

[linux-2.6-omap-h63xx.git] / fs / gfs2 / glops.c

diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 88342e0b4bc7750654804b83477f46b64a53c6c4..ba124230393b670ca9397cdc79feb4184b07cffd 100644 (file)
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -41,7 +41,6 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl)
        struct list_head *head = &gl->gl_ail_list;
        struct gfs2_bufdata *bd;
        struct buffer_head *bh;
-       u64 blkno;
        int error;
 
        blocks = atomic_read(&gl->gl_ail_count);
@@ -57,19 +56,12 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl)
                bd = list_entry(head->next, struct gfs2_bufdata,
                                bd_ail_gl_list);
                bh = bd->bd_bh;
-               blkno = bh->b_blocknr;
+               gfs2_remove_from_ail(bd);
+               bd->bd_bh = NULL;
+               bh->b_private = NULL;
+               bd->bd_blkno = bh->b_blocknr;
                gfs2_assert_withdraw(sdp, !buffer_busy(bh));
-
-               bd->bd_ail = NULL;
-               list_del(&bd->bd_ail_st_list);
-               list_del(&bd->bd_ail_gl_list);
-               atomic_dec(&gl->gl_ail_count);
-               brelse(bh);
-               gfs2_log_unlock(sdp);
-
-               gfs2_trans_add_revoke(sdp, blkno);
-
-               gfs2_log_lock(sdp);
+               gfs2_trans_add_revoke(sdp, bd);
        }
        gfs2_assert_withdraw(sdp, !atomic_read(&gl->gl_ail_count));
        gfs2_log_unlock(sdp);
@@ -94,15 +86,10 @@ static void gfs2_pte_inval(struct gfs2_glock *gl)
        if (!ip || !S_ISREG(inode->i_mode))
                return;
 
-       if (!test_bit(GIF_PAGED, &ip->i_flags))
-               return;
-
        unmap_shared_mapping_range(inode->i_mapping, 0, 0);
-
        if (test_bit(GIF_SW_PAGED, &ip->i_flags))
                set_bit(GLF_DIRTY, &gl->gl_flags);
 
-       clear_bit(GIF_SW_PAGED, &ip->i_flags);
 }
 
 /**
@@ -242,10 +229,8 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
                        set_bit(GIF_INVALID, &ip->i_flags);
        }
 
-       if (ip && S_ISREG(ip->i_inode.i_mode)) {
+       if (ip && S_ISREG(ip->i_inode.i_mode))
                truncate_inode_pages(ip->i_inode.i_mapping, 0);
-               clear_bit(GIF_PAGED, &ip->i_flags);
-       }
 }
 
 /**
@@ -301,23 +286,6 @@ static int inode_go_lock(struct gfs2_holder *gh)
        return error;
 }
 
-/**
- * inode_go_unlock - operation done before an inode lock is unlocked by a
- *                  process
- * @gl: the glock
- * @flags:
- *
- */
-
-static void inode_go_unlock(struct gfs2_holder *gh)
-{
-       struct gfs2_glock *gl = gh->gh_gl;
-       struct gfs2_inode *ip = gl->gl_object;
-
-       if (ip)
-               gfs2_meta_cache_flush(ip);
-}
-
 /**
  * rgrp_go_demote_ok - Check to see if it's ok to unlock a RG's glock
  * @gl: the glock
@@ -392,7 +360,6 @@ static void trans_go_xmote_bh(struct gfs2_glock *gl)
 
        if (gl->gl_state != LM_ST_UNLOCKED &&
            test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {
-               gfs2_meta_cache_flush(GFS2_I(sdp->sd_jdesc->jd_inode));
                j_gl->gl_ops->go_inval(j_gl, DIO_METADATA);
 
                error = gfs2_find_jhead(sdp->sd_jdesc, &head);
@@ -452,8 +419,8 @@ const struct gfs2_glock_operations gfs2_inode_glops = {
        .go_inval = inode_go_inval,
        .go_demote_ok = inode_go_demote_ok,
        .go_lock = inode_go_lock,
-       .go_unlock = inode_go_unlock,
        .go_type = LM_TYPE_INODE,
+       .go_min_hold_time = HZ / 10,
 };
 
 const struct gfs2_glock_operations gfs2_rgrp_glops = {
@@ -464,6 +431,7 @@ const struct gfs2_glock_operations gfs2_rgrp_glops = {
        .go_lock = rgrp_go_lock,
        .go_unlock = rgrp_go_unlock,
        .go_type = LM_TYPE_RGRP,
+       .go_min_hold_time = HZ / 10,
 };
 
 const struct gfs2_glock_operations gfs2_trans_glops = {