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Diffstat (limited to 'fs/gfs2/rgrp.c')
-rw-r--r--fs/gfs2/rgrp.c37
1 files changed, 18 insertions, 19 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 99a0bdac8796..86ccc0159393 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -73,8 +73,7 @@ static const char valid_change[16] = {
};
static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext,
- const struct gfs2_inode *ip, bool nowrap,
- const struct gfs2_alloc_parms *ap);
+ const struct gfs2_inode *ip, bool nowrap);
/**
@@ -659,6 +658,7 @@ void gfs2_rs_deltree(struct gfs2_blkreserv *rs)
if (rgd) {
spin_lock(&rgd->rd_rsspin);
__rs_deltree(rs);
+ BUG_ON(rs->rs_free);
spin_unlock(&rgd->rd_rsspin);
}
}
@@ -672,10 +672,8 @@ void gfs2_rs_deltree(struct gfs2_blkreserv *rs)
void gfs2_rsqa_delete(struct gfs2_inode *ip, atomic_t *wcount)
{
down_write(&ip->i_rw_mutex);
- if ((wcount == NULL) || (atomic_read(wcount) <= 1)) {
+ if ((wcount == NULL) || (atomic_read(wcount) <= 1))
gfs2_rs_deltree(&ip->i_res);
- BUG_ON(ip->i_res.rs_free);
- }
up_write(&ip->i_rw_mutex);
gfs2_qa_delete(ip, wcount);
}
@@ -723,6 +721,7 @@ void gfs2_clear_rgrpd(struct gfs2_sbd *sdp)
gfs2_free_clones(rgd);
kfree(rgd->rd_bits);
+ rgd->rd_bits = NULL;
return_all_reservations(rgd);
kmem_cache_free(gfs2_rgrpd_cachep, rgd);
}
@@ -917,9 +916,6 @@ static int read_rindex_entry(struct gfs2_inode *ip)
if (error)
goto fail;
- rgd->rd_gl->gl_object = rgd;
- rgd->rd_gl->gl_vm.start = (rgd->rd_addr * bsize) & PAGE_MASK;
- rgd->rd_gl->gl_vm.end = PAGE_ALIGN((rgd->rd_addr + rgd->rd_length) * bsize) - 1;
rgd->rd_rgl = (struct gfs2_rgrp_lvb *)rgd->rd_gl->gl_lksb.sb_lvbptr;
rgd->rd_flags &= ~(GFS2_RDF_UPTODATE | GFS2_RDF_PREFERRED);
if (rgd->rd_data > sdp->sd_max_rg_data)
@@ -927,14 +923,20 @@ static int read_rindex_entry(struct gfs2_inode *ip)
spin_lock(&sdp->sd_rindex_spin);
error = rgd_insert(rgd);
spin_unlock(&sdp->sd_rindex_spin);
- if (!error)
+ if (!error) {
+ rgd->rd_gl->gl_object = rgd;
+ rgd->rd_gl->gl_vm.start = (rgd->rd_addr * bsize) & PAGE_MASK;
+ rgd->rd_gl->gl_vm.end = PAGE_ALIGN((rgd->rd_addr +
+ rgd->rd_length) * bsize) - 1;
return 0;
+ }
error = 0; /* someone else read in the rgrp; free it and ignore it */
gfs2_glock_put(rgd->rd_gl);
fail:
kfree(rgd->rd_bits);
+ rgd->rd_bits = NULL;
kmem_cache_free(gfs2_rgrpd_cachep, rgd);
return error;
}
@@ -1511,7 +1513,7 @@ static void rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip,
if (WARN_ON(gfs2_rbm_from_block(&rbm, goal)))
return;
- ret = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &extlen, ip, true, ap);
+ ret = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &extlen, ip, true);
if (ret == 0) {
rs->rs_rbm = rbm;
rs->rs_free = extlen;
@@ -1638,7 +1640,6 @@ fail:
* @ip: If set, check for reservations
* @nowrap: Stop looking at the end of the rgrp, rather than wrapping
* around until we've reached the starting point.
- * @ap: the allocation parameters
*
* Side effects:
* - If looking for free blocks, we set GBF_FULL on each bitmap which
@@ -1650,8 +1651,7 @@ fail:
*/
static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext,
- const struct gfs2_inode *ip, bool nowrap,
- const struct gfs2_alloc_parms *ap)
+ const struct gfs2_inode *ip, bool nowrap)
{
struct buffer_head *bh;
int initial_bii;
@@ -1772,7 +1772,7 @@ static void try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, u64 skip
while (1) {
down_write(&sdp->sd_log_flush_lock);
error = gfs2_rbm_find(&rbm, GFS2_BLKST_UNLINKED, NULL, NULL,
- true, NULL);
+ true);
up_write(&sdp->sd_log_flush_lock);
if (error == -ENOSPC)
break;
@@ -2099,7 +2099,7 @@ void gfs2_inplace_release(struct gfs2_inode *ip)
{
struct gfs2_blkreserv *rs = &ip->i_res;
- if (rs->rs_rgd_gh.gh_gl)
+ if (gfs2_holder_initialized(&rs->rs_rgd_gh))
gfs2_glock_dq_uninit(&rs->rs_rgd_gh);
}
@@ -2329,12 +2329,11 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks,
int error;
gfs2_set_alloc_start(&rbm, ip, dinode);
- error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, ip, false, NULL);
+ error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, ip, false);
if (error == -ENOSPC) {
gfs2_set_alloc_start(&rbm, ip, dinode);
- error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, NULL, false,
- NULL);
+ error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, NULL, false);
}
/* Since all blocks are reserved in advance, this shouldn't happen */
@@ -2600,7 +2599,7 @@ void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state)
{
unsigned int x;
- rlist->rl_ghs = kcalloc(rlist->rl_rgrps, sizeof(struct gfs2_holder),
+ rlist->rl_ghs = kmalloc(rlist->rl_rgrps * sizeof(struct gfs2_holder),
GFP_NOFS | __GFP_NOFAIL);
for (x = 0; x < rlist->rl_rgrps; x++)
gfs2_holder_init(rlist->rl_rgd[x]->rd_gl,