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-rw-r--r--fs/gfs2/bmap.c16
-rw-r--r--fs/gfs2/glock.c3
-rw-r--r--fs/gfs2/log.c6
-rw-r--r--fs/gfs2/lops.c26
-rw-r--r--fs/gfs2/quota.c3
-rw-r--r--fs/gfs2/quota.h3
6 files changed, 28 insertions, 29 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 08f6fbb3655e..31ed26435625 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -528,10 +528,12 @@ lower_metapath:
/* Advance in metadata tree. */
(mp->mp_list[hgt])++;
- if (mp->mp_list[hgt] >= sdp->sd_inptrs) {
- if (!hgt)
+ if (hgt) {
+ if (mp->mp_list[hgt] >= sdp->sd_inptrs)
+ goto lower_metapath;
+ } else {
+ if (mp->mp_list[hgt] >= sdp->sd_diptrs)
break;
- goto lower_metapath;
}
fill_up_metapath:
@@ -876,10 +878,9 @@ static int gfs2_iomap_get(struct inode *inode, loff_t pos, loff_t length,
ret = -ENOENT;
goto unlock;
} else {
- /* report a hole */
iomap->offset = pos;
iomap->length = length;
- goto do_alloc;
+ goto hole_found;
}
}
iomap->length = size;
@@ -933,8 +934,6 @@ unlock:
return ret;
do_alloc:
- iomap->addr = IOMAP_NULL_ADDR;
- iomap->type = IOMAP_HOLE;
if (flags & IOMAP_REPORT) {
if (pos >= size)
ret = -ENOENT;
@@ -956,6 +955,9 @@ do_alloc:
if (pos < size && height == ip->i_height)
ret = gfs2_hole_size(inode, lblock, len, mp, iomap);
}
+hole_found:
+ iomap->addr = IOMAP_NULL_ADDR;
+ iomap->type = IOMAP_HOLE;
goto out;
}
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 19ebc6cd0f2b..d0eceaff3cea 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -645,9 +645,6 @@ __acquires(&gl->gl_lockref.lock)
goto out_unlock;
if (nonblock)
goto out_sched;
- smp_mb();
- if (atomic_read(&gl->gl_revokes) != 0)
- goto out_sched;
set_bit(GLF_DEMOTE_IN_PROGRESS, &gl->gl_flags);
GLOCK_BUG_ON(gl, gl->gl_demote_state == LM_ST_EXCLUSIVE);
gl->gl_target = gl->gl_demote_state;
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 60d911e293e6..2674feda1d7a 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -603,13 +603,13 @@ void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
struct buffer_head *bh = bd->bd_bh;
struct gfs2_glock *gl = bd->bd_gl;
+ sdp->sd_log_num_revoke++;
+ if (atomic_inc_return(&gl->gl_revokes) == 1)
+ gfs2_glock_hold(gl);
bh->b_private = NULL;
bd->bd_blkno = bh->b_blocknr;
gfs2_remove_from_ail(bd); /* drops ref on bh */
bd->bd_bh = NULL;
- sdp->sd_log_num_revoke++;
- if (atomic_inc_return(&gl->gl_revokes) == 1)
- gfs2_glock_hold(gl);
set_bit(GLF_LFLUSH, &gl->gl_flags);
list_add(&bd->bd_list, &sdp->sd_log_revokes);
}
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index c090d5ad3f22..966ed37c9acd 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -259,7 +259,7 @@ static struct bio *gfs2_log_alloc_bio(struct gfs2_sbd *sdp, u64 blkno,
struct super_block *sb = sdp->sd_vfs;
struct bio *bio = bio_alloc(GFP_NOIO, BIO_MAX_PAGES);
- bio->bi_iter.bi_sector = blkno << (sb->s_blocksize_bits - 9);
+ bio->bi_iter.bi_sector = blkno << sdp->sd_fsb2bb_shift;
bio_set_dev(bio, sb->s_bdev);
bio->bi_end_io = end_io;
bio->bi_private = sdp;
@@ -505,12 +505,12 @@ int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head,
unsigned int bsize = sdp->sd_sb.sb_bsize, off;
unsigned int bsize_shift = sdp->sd_sb.sb_bsize_shift;
unsigned int shift = PAGE_SHIFT - bsize_shift;
- unsigned int readahead_blocks = BIO_MAX_PAGES << shift;
+ unsigned int max_blocks = 2 * 1024 * 1024 >> bsize_shift;
struct gfs2_journal_extent *je;
int sz, ret = 0;
struct bio *bio = NULL;
struct page *page = NULL;
- bool bio_chained = false, done = false;
+ bool done = false;
errseq_t since;
memset(head, 0, sizeof(*head));
@@ -533,30 +533,30 @@ int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head,
off = 0;
}
- if (!bio || (bio_chained && !off)) {
- /* start new bio */
- } else {
- sz = bio_add_page(bio, page, bsize, off);
- if (sz == bsize)
- goto block_added;
+ if (bio && (off || block < blocks_submitted + max_blocks)) {
+ sector_t sector = dblock << sdp->sd_fsb2bb_shift;
+
+ if (bio_end_sector(bio) == sector) {
+ sz = bio_add_page(bio, page, bsize, off);
+ if (sz == bsize)
+ goto block_added;
+ }
if (off) {
unsigned int blocks =
(PAGE_SIZE - off) >> bsize_shift;
bio = gfs2_chain_bio(bio, blocks);
- bio_chained = true;
goto add_block_to_new_bio;
}
}
if (bio) {
- blocks_submitted = block + 1;
+ blocks_submitted = block;
submit_bio(bio);
}
bio = gfs2_log_alloc_bio(sdp, dblock, gfs2_end_log_read);
bio->bi_opf = REQ_OP_READ;
- bio_chained = false;
add_block_to_new_bio:
sz = bio_add_page(bio, page, bsize, off);
BUG_ON(sz != bsize);
@@ -564,7 +564,7 @@ block_added:
off += bsize;
if (off == PAGE_SIZE)
page = NULL;
- if (blocks_submitted < blocks_read + readahead_blocks) {
+ if (blocks_submitted <= blocks_read + max_blocks) {
/* Keep at least one bio in flight */
continue;
}
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index e9f93045eb01..832d44782f74 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1040,8 +1040,7 @@ int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid)
u32 x;
int error = 0;
- if (capable(CAP_SYS_RESOURCE) ||
- sdp->sd_args.ar_quota != GFS2_QUOTA_ON)
+ if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON)
return 0;
error = gfs2_quota_hold(ip, uid, gid);
diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index 765627d9a91e..fe68a91dc16f 100644
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -44,7 +44,8 @@ static inline int gfs2_quota_lock_check(struct gfs2_inode *ip,
int ret;
ap->allowed = UINT_MAX; /* Assume we are permitted a whole lot */
- if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
+ if (capable(CAP_SYS_RESOURCE) ||
+ sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
return 0;
ret = gfs2_quota_lock(ip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE);
if (ret)