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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-24 17:57:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-24 17:57:05 -0700
commit801b03653fc04de2cc5bc83c06de504d41345b63 (patch)
treee77de2bc0198d82c5286a8f28f58cd0945212880 /fs/gfs2/super.c
parent614a6d4341b3760ca98a1c2c09141b71db5d1e90 (diff)
parent15e1c960227dc22d976c270fc854dfe363c04bbd (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw
Pull GFS2 updates from Steven Whitehouse. * git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw: GFS2: Eliminate 64-bit divides GFS2: Reduce file fragmentation GFS2: kernel panic with small gfs2 filesystems - 1 RG GFS2: Fixing double brelse'ing bh allocated in gfs2_meta_read when EIO occurs GFS2: Combine functions get_local_rgrp and gfs2_inplace_reserve GFS2: Add kobject release method GFS2: Size seq_file buffer more carefully GFS2: Use seq_vprintf for glocks debugfs file seq_file: Add seq_vprintf function and export it GFS2: Use lvbs for storing rgrp information with mount option GFS2: Cache last hash bucket for glock seq_files GFS2: Increase buffer size for glocks and glstats debugfs files GFS2: Fix error handling when reading an invalid block from the journal GFS2: Add "top dir" flag support GFS2: Fold quota data into the reservations struct GFS2: Extend the life of the reservations
Diffstat (limited to 'fs/gfs2/super.c')
-rw-r--r--fs/gfs2/super.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index f3d6bbfb32c5..fc3168f47a14 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -78,6 +78,8 @@ enum {
Opt_quota_quantum,
Opt_barrier,
Opt_nobarrier,
+ Opt_rgrplvb,
+ Opt_norgrplvb,
Opt_error,
};
@@ -115,6 +117,8 @@ static const match_table_t tokens = {
{Opt_quota_quantum, "quota_quantum=%d"},
{Opt_barrier, "barrier"},
{Opt_nobarrier, "nobarrier"},
+ {Opt_rgrplvb, "rgrplvb"},
+ {Opt_norgrplvb, "norgrplvb"},
{Opt_error, NULL}
};
@@ -267,6 +271,12 @@ int gfs2_mount_args(struct gfs2_args *args, char *options)
case Opt_nobarrier:
args->ar_nobarrier = 1;
break;
+ case Opt_rgrplvb:
+ args->ar_rgrplvb = 1;
+ break;
+ case Opt_norgrplvb:
+ args->ar_rgrplvb = 0;
+ break;
case Opt_error:
default:
printk(KERN_WARNING "GFS2: invalid mount option: %s\n", o);
@@ -1381,6 +1391,8 @@ static int gfs2_show_options(struct seq_file *s, struct dentry *root)
seq_printf(s, ",nobarrier");
if (test_bit(SDF_DEMOTE, &sdp->sd_flags))
seq_printf(s, ",demote_interface_used");
+ if (args->ar_rgrplvb)
+ seq_printf(s, ",rgrplvb");
return 0;
}
@@ -1401,7 +1413,6 @@ static void gfs2_final_release_pages(struct gfs2_inode *ip)
static int gfs2_dinode_dealloc(struct gfs2_inode *ip)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
- struct gfs2_qadata *qa;
struct gfs2_rgrpd *rgd;
struct gfs2_holder gh;
int error;
@@ -1411,13 +1422,13 @@ static int gfs2_dinode_dealloc(struct gfs2_inode *ip)
return -EIO;
}
- qa = gfs2_qadata_get(ip);
- if (!qa)
- return -ENOMEM;
+ error = gfs2_rindex_update(sdp);
+ if (error)
+ return error;
error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
if (error)
- goto out;
+ return error;
rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr, 1);
if (!rgd) {
@@ -1445,8 +1456,6 @@ out_rg_gunlock:
gfs2_glock_dq_uninit(&gh);
out_qs:
gfs2_quota_unhold(ip);
-out:
- gfs2_qadata_put(ip);
return error;
}
@@ -1547,6 +1556,9 @@ out_truncate:
out_unlock:
/* Error path for case 1 */
+ if (gfs2_rs_active(ip->i_res))
+ gfs2_rs_deltree(ip->i_res);
+
if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags))
gfs2_glock_dq(&ip->i_iopen_gh);
gfs2_holder_uninit(&ip->i_iopen_gh);
@@ -1556,6 +1568,7 @@ out_unlock:
out:
/* Case 3 starts here */
truncate_inode_pages(&inode->i_data, 0);
+ gfs2_rs_delete(ip);
clear_inode(inode);
gfs2_dir_hash_inval(ip);
ip->i_gl->gl_object = NULL;
@@ -1578,6 +1591,7 @@ static struct inode *gfs2_alloc_inode(struct super_block *sb)
ip->i_flags = 0;
ip->i_gl = NULL;
ip->i_rgd = NULL;
+ ip->i_res = NULL;
}
return &ip->i_inode;
}