summaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/gfs2/bmap.c11
-rw-r--r--fs/gfs2/file.c15
-rw-r--r--fs/gfs2/incore.h2
-rw-r--r--fs/gfs2/inode.c5
-rw-r--r--fs/gfs2/main.c13
-rw-r--r--fs/gfs2/quota.c4
-rw-r--r--fs/gfs2/quota.h2
-rw-r--r--fs/gfs2/rgrp.c52
-rw-r--r--fs/gfs2/rgrp.h2
-rw-r--r--fs/gfs2/super.c7
-rw-r--r--fs/gfs2/util.c1
-rw-r--r--fs/gfs2/util.h1
12 files changed, 33 insertions, 82 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 8d46ae4fa873..0860f0b5b3f1 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -787,8 +787,8 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh,
if (error)
goto out_rlist;
- if (gfs2_rs_active(ip->i_res)) /* needs to be done with the rgrp glock held */
- gfs2_rs_deltree(ip->i_res);
+ if (gfs2_rs_active(&ip->i_res)) /* needs to be done with the rgrp glock held */
+ gfs2_rs_deltree(&ip->i_res);
error = gfs2_trans_begin(sdp, rg_blocks + RES_DINODE +
RES_INDIRECT + RES_STATFS + RES_QUOTA,
@@ -1291,10 +1291,6 @@ int gfs2_setattr_size(struct inode *inode, u64 newsize)
if (ret)
return ret;
- ret = get_write_access(inode);
- if (ret)
- return ret;
-
inode_dio_wait(inode);
ret = gfs2_rsqa_alloc(ip);
@@ -1307,10 +1303,9 @@ int gfs2_setattr_size(struct inode *inode, u64 newsize)
goto out;
}
- gfs2_rs_deltree(ip->i_res);
ret = do_shrink(inode, oldsize, newsize);
out:
- put_write_access(inode);
+ gfs2_rsqa_delete(ip, NULL);
return ret;
}
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index de001eb27bed..3ead27d64bf0 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -336,8 +336,8 @@ static void gfs2_size_hint(struct file *filep, loff_t offset, size_t size)
size_t blks = (size + sdp->sd_sb.sb_bsize - 1) >> sdp->sd_sb.sb_bsize_shift;
int hint = min_t(size_t, INT_MAX, blks);
- if (hint > atomic_read(&ip->i_res->rs_sizehint))
- atomic_set(&ip->i_res->rs_sizehint, hint);
+ if (hint > atomic_read(&ip->i_res.rs_sizehint))
+ atomic_set(&ip->i_res.rs_sizehint, hint);
}
/**
@@ -397,13 +397,9 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
/* Update file times before taking page lock */
file_update_time(vma->vm_file);
- ret = get_write_access(inode);
- if (ret)
- goto out;
-
ret = gfs2_rsqa_alloc(ip);
if (ret)
- goto out_write_access;
+ goto out;
gfs2_size_hint(vma->vm_file, pos, PAGE_CACHE_SIZE);
@@ -486,8 +482,6 @@ out_uninit:
set_page_dirty(page);
wait_for_stable_page(page);
}
-out_write_access:
- put_write_access(inode);
out:
sb_end_pagefault(inode->i_sb);
return block_page_mkwrite_return(ret);
@@ -944,7 +938,8 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset, loff_t le
ret = __gfs2_fallocate(file, mode, offset, len);
if (ret)
- gfs2_rs_deltree(ip->i_res);
+ gfs2_rs_deltree(&ip->i_res);
+
out_putw:
put_write_access(inode);
out_unlock:
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 6a22f66f058d..25d0f12aaec5 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -394,7 +394,7 @@ struct gfs2_inode {
struct gfs2_holder i_iopen_gh;
struct gfs2_holder i_gh; /* for prepare/commit_write only */
struct gfs2_qadata *i_qadata; /* quota allocation data */
- struct gfs2_blkreserv *i_res; /* rgrp multi-block reservation */
+ struct gfs2_blkreserv i_res; /* rgrp multi-block reservation */
struct gfs2_rgrpd *i_rgd;
u64 i_goal; /* goal block for allocations */
struct rw_semaphore i_rw_mutex;
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index c37e6bf2958e..a8ce2e99cf5d 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -1859,10 +1859,6 @@ static int setattr_chown(struct inode *inode, struct iattr *attr)
if (!(attr->ia_valid & ATTR_GID) || gid_eq(ogid, ngid))
ogid = ngid = NO_GID_QUOTA_CHANGE;
- error = get_write_access(inode);
- if (error)
- return error;
-
error = gfs2_rsqa_alloc(ip);
if (error)
goto out;
@@ -1903,7 +1899,6 @@ out_end_trans:
out_gunlock_q:
gfs2_quota_unlock(ip);
out:
- put_write_access(inode);
return error;
}
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index cde5c73c42df..1d709d496364 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -42,7 +42,8 @@ static void gfs2_init_inode_once(void *foo)
init_rwsem(&ip->i_rw_mutex);
INIT_LIST_HEAD(&ip->i_trunc_list);
ip->i_qadata = NULL;
- ip->i_res = NULL;
+ memset(&ip->i_res, 0, sizeof(ip->i_res));
+ RB_CLEAR_NODE(&ip->i_res.rs_node);
ip->i_hash_cache = NULL;
}
@@ -142,12 +143,6 @@ static int __init init_gfs2_fs(void)
if (!gfs2_qadata_cachep)
goto fail;
- gfs2_rsrv_cachep = kmem_cache_create("gfs2_mblk",
- sizeof(struct gfs2_blkreserv),
- 0, 0, NULL);
- if (!gfs2_rsrv_cachep)
- goto fail;
-
register_shrinker(&gfs2_qd_shrinker);
error = register_filesystem(&gfs2_fs_type);
@@ -200,9 +195,6 @@ fail_lru:
unregister_shrinker(&gfs2_qd_shrinker);
gfs2_glock_exit();
- if (gfs2_rsrv_cachep)
- kmem_cache_destroy(gfs2_rsrv_cachep);
-
if (gfs2_qadata_cachep)
kmem_cache_destroy(gfs2_qadata_cachep);
@@ -248,7 +240,6 @@ static void __exit exit_gfs2_fs(void)
rcu_barrier();
mempool_destroy(gfs2_page_pool);
- kmem_cache_destroy(gfs2_rsrv_cachep);
kmem_cache_destroy(gfs2_qadata_cachep);
kmem_cache_destroy(gfs2_quotad_cachep);
kmem_cache_destroy(gfs2_rgrpd_cachep);
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index b845efdb5e3a..63a72109976c 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -550,10 +550,10 @@ int gfs2_qa_alloc(struct gfs2_inode *ip)
return error;
}
-void gfs2_qa_delete(struct gfs2_inode *ip)
+void gfs2_qa_delete(struct gfs2_inode *ip, atomic_t *wcount)
{
down_write(&ip->i_rw_mutex);
- if (ip->i_qadata) {
+ if (ip->i_qadata && ((wcount == NULL) || (atomic_read(wcount) <= 1))) {
kmem_cache_free(gfs2_qadata_cachep, ip->i_qadata);
ip->i_qadata = NULL;
}
diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index 1940dd9cb1c7..5e47c935a515 100644
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -19,7 +19,7 @@ struct gfs2_sbd;
#define NO_GID_QUOTA_CHANGE INVALID_GID
extern int gfs2_qa_alloc(struct gfs2_inode *ip);
-extern void gfs2_qa_delete(struct gfs2_inode *ip);
+extern void gfs2_qa_delete(struct gfs2_inode *ip, atomic_t *wcount);
extern int gfs2_quota_hold(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
extern void gfs2_quota_unhold(struct gfs2_inode *ip);
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index cb30748e7b19..b879925ce134 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -602,28 +602,7 @@ void gfs2_free_clones(struct gfs2_rgrpd *rgd)
*/
int gfs2_rsqa_alloc(struct gfs2_inode *ip)
{
- int error = 0;
-
- down_write(&ip->i_rw_mutex);
- if (ip->i_res)
- goto out;
-
- ip->i_res = kmem_cache_zalloc(gfs2_rsrv_cachep, GFP_NOFS);
- if (!ip->i_res) {
- error = -ENOMEM;
- goto out;
- }
-
- RB_CLEAR_NODE(&ip->i_res->rs_node);
- error = gfs2_qa_alloc(ip);
- if (error) {
- kmem_cache_free(gfs2_rsrv_cachep, ip->i_res);
- ip->i_res = NULL;
- }
-
-out:
- up_write(&ip->i_rw_mutex);
- return error;
+ return gfs2_qa_alloc(ip);
}
static void dump_rs(struct seq_file *seq, const struct gfs2_blkreserv *rs)
@@ -693,15 +672,12 @@ 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 (ip->i_res && ((wcount == NULL) || (atomic_read(wcount) <= 1))) {
- gfs2_rs_deltree(ip->i_res);
- BUG_ON(ip->i_res->rs_free);
- kmem_cache_free(gfs2_rsrv_cachep, ip->i_res);
- ip->i_res = NULL;
-
- gfs2_qa_delete(ip);
+ 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);
}
/**
@@ -1465,7 +1441,7 @@ static void rs_insert(struct gfs2_inode *ip)
{
struct rb_node **newn, *parent = NULL;
int rc;
- struct gfs2_blkreserv *rs = ip->i_res;
+ struct gfs2_blkreserv *rs = &ip->i_res;
struct gfs2_rgrpd *rgd = rs->rs_rbm.rgd;
u64 fsblock = gfs2_rbm_to_block(&rs->rs_rbm);
@@ -1512,7 +1488,7 @@ static void rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip,
{
struct gfs2_rbm rbm = { .rgd = rgd, };
u64 goal;
- struct gfs2_blkreserv *rs = ip->i_res;
+ struct gfs2_blkreserv *rs = &ip->i_res;
u32 extlen;
u32 free_blocks = rgd->rd_free_clone - rgd->rd_reserved;
int ret;
@@ -1583,7 +1559,7 @@ static u64 gfs2_next_unreserved_block(struct gfs2_rgrpd *rgd, u64 block,
}
if (n) {
- while ((rs_cmp(block, length, rs) == 0) && (ip->i_res != rs)) {
+ while ((rs_cmp(block, length, rs) == 0) && (&ip->i_res != rs)) {
block = gfs2_rbm_to_block(&rs->rs_rbm) + rs->rs_free;
n = n->rb_right;
if (n == NULL)
@@ -1993,7 +1969,7 @@ int gfs2_inplace_reserve(struct gfs2_inode *ip, struct gfs2_alloc_parms *ap)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_rgrpd *begin = NULL;
- struct gfs2_blkreserv *rs = ip->i_res;
+ struct gfs2_blkreserv *rs = &ip->i_res;
int error = 0, rg_locked, flags = 0;
u64 last_unlinked = NO_BLOCK;
int loops = 0;
@@ -2122,7 +2098,7 @@ next_rgrp:
void gfs2_inplace_release(struct gfs2_inode *ip)
{
- struct gfs2_blkreserv *rs = ip->i_res;
+ struct gfs2_blkreserv *rs = &ip->i_res;
if (rs->rs_rgd_gh.gh_gl)
gfs2_glock_dq_uninit(&rs->rs_rgd_gh);
@@ -2276,7 +2252,7 @@ static void gfs2_rgrp_error(struct gfs2_rgrpd *rgd)
static void gfs2_adjust_reservation(struct gfs2_inode *ip,
const struct gfs2_rbm *rbm, unsigned len)
{
- struct gfs2_blkreserv *rs = ip->i_res;
+ struct gfs2_blkreserv *rs = &ip->i_res;
struct gfs2_rgrpd *rgd = rbm->rgd;
unsigned rlen;
u64 block;
@@ -2319,8 +2295,8 @@ static void gfs2_set_alloc_start(struct gfs2_rbm *rbm,
{
u64 goal;
- if (gfs2_rs_active(ip->i_res)) {
- *rbm = ip->i_res->rs_rbm;
+ if (gfs2_rs_active(&ip->i_res)) {
+ *rbm = ip->i_res.rs_rbm;
return;
}
@@ -2374,7 +2350,7 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks,
gfs2_alloc_extent(&rbm, dinode, nblocks);
block = gfs2_rbm_to_block(&rbm);
rbm.rgd->rd_last_alloc = block - rbm.rgd->rd_data0;
- if (gfs2_rs_active(ip->i_res))
+ if (gfs2_rs_active(&ip->i_res))
gfs2_adjust_reservation(ip, &rbm, *nblocks);
ndata = *nblocks;
if (dinode)
diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h
index 06bbefaabc31..66b51cf66dfa 100644
--- a/fs/gfs2/rgrp.h
+++ b/fs/gfs2/rgrp.h
@@ -78,7 +78,7 @@ extern int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
extern int gfs2_fitrim(struct file *filp, void __user *argp);
/* This is how to tell if a reservation is in the rgrp tree: */
-static inline bool gfs2_rs_active(struct gfs2_blkreserv *rs)
+static inline bool gfs2_rs_active(const struct gfs2_blkreserv *rs)
{
return rs && !RB_EMPTY_NODE(&rs->rs_node);
}
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index b030ca223067..64f03c821b5d 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1593,8 +1593,8 @@ out_truncate:
out_unlock:
/* Error path for case 1 */
- if (gfs2_rs_active(ip->i_res))
- gfs2_rs_deltree(ip->i_res);
+ if (gfs2_rs_active(&ip->i_res))
+ gfs2_rs_deltree(&ip->i_res);
if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags)) {
ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
@@ -1632,7 +1632,8 @@ 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;
+ memset(&ip->i_res, 0, sizeof(ip->i_res));
+ RB_CLEAR_NODE(&ip->i_res.rs_node);
ip->i_rahead = 0;
}
return &ip->i_inode;
diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c
index 3b4819d8bdd6..cf645835710f 100644
--- a/fs/gfs2/util.c
+++ b/fs/gfs2/util.c
@@ -28,7 +28,6 @@ struct kmem_cache *gfs2_bufdata_cachep __read_mostly;
struct kmem_cache *gfs2_rgrpd_cachep __read_mostly;
struct kmem_cache *gfs2_quotad_cachep __read_mostly;
struct kmem_cache *gfs2_qadata_cachep __read_mostly;
-struct kmem_cache *gfs2_rsrv_cachep __read_mostly;
mempool_t *gfs2_page_pool __read_mostly;
void gfs2_assert_i(struct gfs2_sbd *sdp)
diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h
index 9edbcc94bdf6..c81295f407f6 100644
--- a/fs/gfs2/util.h
+++ b/fs/gfs2/util.h
@@ -150,7 +150,6 @@ extern struct kmem_cache *gfs2_bufdata_cachep;
extern struct kmem_cache *gfs2_rgrpd_cachep;
extern struct kmem_cache *gfs2_quotad_cachep;
extern struct kmem_cache *gfs2_qadata_cachep;
-extern struct kmem_cache *gfs2_rsrv_cachep;
extern mempool_t *gfs2_page_pool;
static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt,
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-21 01:18:40 +0300