/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
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);
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);
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);
}
/**
return;
gfs2_meta_inval(gl);
- gl->gl_vn++;
+ if (gl->gl_object == GFS2_I(gl->gl_sbd->sd_rindex))
+ gl->gl_sbd->sd_rindex_uptodate = 0;
+ else if (gl->gl_ops == &gfs2_rgrp_glops && gl->gl_object) {
+ struct gfs2_rgrpd *rgd = (struct gfs2_rgrpd *)gl->gl_object;
+
+ rgd->rd_flags &= ~GFS2_RDF_UPTODATE;
+ }
}
/**
static void inode_go_sync(struct gfs2_glock *gl)
{
struct gfs2_inode *ip = gl->gl_object;
+ struct address_space *metamapping = gl->gl_aspace->i_mapping;
+ int error;
+
+ if (gl->gl_state != LM_ST_UNLOCKED)
+ gfs2_pte_inval(gl);
+ if (gl->gl_state != LM_ST_EXCLUSIVE)
+ return;
if (ip && !S_ISREG(ip->i_inode.i_mode))
ip = NULL;
if (test_bit(GLF_DIRTY, &gl->gl_flags)) {
- if (ip)
- filemap_fdatawrite(ip->i_inode.i_mapping);
gfs2_log_flush(gl->gl_sbd, gl);
- gfs2_meta_sync(gl);
+ filemap_fdatawrite(metamapping);
if (ip) {
struct address_space *mapping = ip->i_inode.i_mapping;
- int error = filemap_fdatawait(mapping);
+ filemap_fdatawrite(mapping);
+ error = filemap_fdatawait(mapping);
mapping_set_error(mapping, error);
}
+ error = filemap_fdatawait(metamapping);
+ mapping_set_error(metamapping, error);
clear_bit(GLF_DIRTY, &gl->gl_flags);
gfs2_ail_empty_gl(gl);
}
}
/**
- * inode_go_xmote_th - promote/demote a glock
- * @gl: the glock
- * @state: the requested state
- * @flags:
- *
- */
-
-static void inode_go_xmote_th(struct gfs2_glock *gl)
-{
- if (gl->gl_state != LM_ST_UNLOCKED)
- gfs2_pte_inval(gl);
- if (gl->gl_state == LM_ST_EXCLUSIVE)
- inode_go_sync(gl);
-}
-
-/**
* inode_go_xmote_bh - After promoting/demoting a glock
* @gl: the glock
*
}
/**
- * inode_go_drop_th - unlock a glock
- * @gl: the glock
- *
- * Invoked from rq_demote().
- * Another node needs the lock in EXCLUSIVE mode, or lock (unused for too long)
- * is being purged from our node's glock cache; we're dropping lock.
- */
-
-static void inode_go_drop_th(struct gfs2_glock *gl)
-{
- gfs2_pte_inval(gl);
- if (gl->gl_state == LM_ST_EXCLUSIVE)
- inode_go_sync(gl);
-}
-
-/**
* inode_go_inval - prepare a inode glock to be released
* @gl: the glock
* @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);
- }
}
/**
}
/**
- * 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
*
}
/**
- * trans_go_xmote_th - promote/demote the transaction glock
+ * trans_go_sync - promote/demote the transaction glock
* @gl: the glock
* @state: the requested state
* @flags:
*
*/
-static void trans_go_xmote_th(struct gfs2_glock *gl)
+static void trans_go_sync(struct gfs2_glock *gl)
{
struct gfs2_sbd *sdp = gl->gl_sbd;
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);
}
/**
- * trans_go_drop_th - unlock the transaction glock
- * @gl: the glock
- *
- * We want to sync the device even with localcaching. Remember
- * that localcaching journal replay only marks buffers dirty.
- */
-
-static void trans_go_drop_th(struct gfs2_glock *gl)
-{
- struct gfs2_sbd *sdp = gl->gl_sbd;
-
- if (test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {
- gfs2_meta_syncfs(sdp);
- gfs2_log_shutdown(sdp);
- }
-}
-
-/**
* quota_go_demote_ok - Check to see if it's ok to unlock a quota glock
* @gl: the glock
*
const struct gfs2_glock_operations gfs2_meta_glops = {
.go_xmote_th = meta_go_sync,
- .go_drop_th = meta_go_sync,
.go_type = LM_TYPE_META,
};
const struct gfs2_glock_operations gfs2_inode_glops = {
- .go_xmote_th = inode_go_xmote_th,
+ .go_xmote_th = inode_go_sync,
.go_xmote_bh = inode_go_xmote_bh,
- .go_drop_th = inode_go_drop_th,
.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 = {
.go_xmote_th = meta_go_sync,
- .go_drop_th = meta_go_sync,
.go_inval = meta_go_inval,
.go_demote_ok = rgrp_go_demote_ok,
.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 = {
- .go_xmote_th = trans_go_xmote_th,
+ .go_xmote_th = trans_go_sync,
.go_xmote_bh = trans_go_xmote_bh,
- .go_drop_th = trans_go_drop_th,
.go_type = LM_TYPE_NONDISK,
};