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GFS2: Fold quota data into the reservations struct 

This patch moves the ancillary quota data structures into the
block reservations structure. This saves GFS2 some time and
effort in allocating and deallocating the qadata structure.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Bob Peterson 2012-05-18 09:28:23 -04:00 committed by Steven Whitehouse
parent 0a305e4960
commit 5407e24229
12 changed files with 56 additions and 186 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
fs/gfs2/aops.c
View File

@ -614,7 +614,6 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
int alloc_required;
int error = 0;
struct gfs2_qadata *qa = NULL;
pgoff_t index = pos >> PAGE_CACHE_SHIFT;
unsigned from = pos & (PAGE_CACHE_SIZE - 1);
struct page *page;
@ -638,15 +637,9 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks);
if (alloc_required) {
qa = gfs2_qadata_get(ip);
if (!qa) {
error = -ENOMEM;
goto out_unlock;
}
error = gfs2_quota_lock_check(ip);
if (error)
goto out_alloc_put;
goto out_unlock;
error = gfs2_inplace_reserve(ip, data_blocks + ind_blocks);
if (error)
@ -708,8 +701,6 @@ out_trans_fail:
gfs2_inplace_release(ip);
out_qunlock:
gfs2_quota_unlock(ip);
out_alloc_put:
gfs2_qadata_put(ip);
}
out_unlock:
if (&ip->i_inode == sdp->sd_rindex) {
@ -846,7 +837,6 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping,
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
struct buffer_head *dibh;
struct gfs2_qadata *qa = ip->i_qadata;
unsigned int from = pos & (PAGE_CACHE_SIZE - 1);
unsigned int to = from + len;
int ret;
@ -880,10 +870,8 @@ failed:
gfs2_trans_end(sdp);
if (gfs2_mb_reserved(ip))
gfs2_inplace_release(ip);
if (qa) {
if (ip->i_res->rs_qa_qd_num)
gfs2_quota_unlock(ip);
gfs2_qadata_put(ip);
}
if (inode == sdp->sd_rindex) {
gfs2_glock_dq(&m_ip->i_gh);
gfs2_holder_uninit(&m_ip->i_gh);

18
fs/gfs2/bmap.c
View File

@ -1045,12 +1045,13 @@ static int trunc_dealloc(struct gfs2_inode *ip, u64 size)
lblock = (size - 1) >> sdp->sd_sb.sb_bsize_shift;
find_metapath(sdp, lblock, &mp, ip->i_height);
if (!gfs2_qadata_get(ip))
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;
while (height--) {
struct strip_mine sm;
@ -1064,8 +1065,6 @@ static int trunc_dealloc(struct gfs2_inode *ip, u64 size)
gfs2_quota_unhold(ip);
out:
gfs2_qadata_put(ip);
return error;
}
@ -1167,19 +1166,14 @@ static int do_grow(struct inode *inode, u64 size)
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct buffer_head *dibh;
struct gfs2_qadata *qa = NULL;
int error;
int unstuff = 0;
if (gfs2_is_stuffed(ip) &&
(size > (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode)))) {
qa = gfs2_qadata_get(ip);
if (qa == NULL)
return -ENOMEM;
error = gfs2_quota_lock_check(ip);
if (error)
goto do_grow_alloc_put;
return error;
error = gfs2_inplace_reserve(ip, 1);
if (error)
@ -1214,8 +1208,6 @@ do_grow_release:
gfs2_inplace_release(ip);
do_grow_qunlock:
gfs2_quota_unlock(ip);
do_grow_alloc_put:
gfs2_qadata_put(ip);
}
return error;
}

9
fs/gfs2/dir.c
View File

@ -1854,14 +1854,9 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len,
if (!ht)
return -ENOMEM;
if (!gfs2_qadata_get(dip)) {
error = -ENOMEM;
goto out;
}
error = gfs2_quota_hold(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
if (error)
goto out_put;
goto out;
/* Count the number of leaves */
bh = leaf_bh;
@ -1942,8 +1937,6 @@ out_rg_gunlock:
out_rlist:
gfs2_rlist_free(&rlist);
gfs2_quota_unhold(dip);
out_put:
gfs2_qadata_put(dip);
out:
kfree(ht);
return error;

22
fs/gfs2/file.c
View File

@ -366,7 +366,6 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
u64 pos = page->index << PAGE_CACHE_SHIFT;
unsigned int data_blocks, ind_blocks, rblocks;
struct gfs2_holder gh;
struct gfs2_qadata *qa;
loff_t size;
int ret;
@ -397,14 +396,13 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
goto out_unlock;
}
ret = -ENOMEM;
qa = gfs2_qadata_get(ip);
if (qa == NULL)
ret = gfs2_rindex_update(sdp);
if (ret)
goto out_unlock;
ret = gfs2_quota_lock_check(ip);
if (ret)
goto out_alloc_put;
goto out_unlock;
gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks);
ret = gfs2_inplace_reserve(ip, data_blocks + ind_blocks);
if (ret)
@ -451,8 +449,6 @@ out_trans_fail:
gfs2_inplace_release(ip);
out_quota_unlock:
gfs2_quota_unlock(ip);
out_alloc_put:
gfs2_qadata_put(ip);
out_unlock:
gfs2_glock_dq(&gh);
out:
@ -764,7 +760,6 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset,
struct gfs2_inode *ip = GFS2_I(inode);
unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
loff_t bytes, max_bytes;
struct gfs2_qadata *qa;
int error;
const loff_t pos = offset;
const loff_t count = len;
@ -804,15 +799,13 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset,
offset += bytes;
continue;
}
qa = gfs2_qadata_get(ip);
if (!qa) {
error = -ENOMEM;
error = gfs2_rindex_update(sdp);
if (error)
goto out_unlock;
}
error = gfs2_quota_lock_check(ip);
if (error)
goto out_alloc_put;
goto out_unlock;
retry:
gfs2_write_calc_reserv(ip, bytes, &data_blocks, &ind_blocks);
@ -852,7 +845,6 @@ retry:
offset += max_bytes;
gfs2_inplace_release(ip);
gfs2_quota_unlock(ip);
gfs2_qadata_put(ip);
}
if (error == 0)
@ -863,8 +855,6 @@ out_trans_fail:
gfs2_inplace_release(ip);
out_qunlock:
gfs2_quota_unlock(ip);
out_alloc_put:
gfs2_qadata_put(ip);
out_unlock:
gfs2_glock_dq(&ip->i_gh);
out_uninit:

13
fs/gfs2/incore.h
View File

@ -289,16 +289,14 @@ struct gfs2_glock {
#define GFS2_MIN_LVB_SIZE 32 /* Min size of LVB that gfs2 supports */
struct gfs2_qadata { /* quota allocation data */
/* Quota stuff */
struct gfs2_quota_data *qa_qd[2*MAXQUOTAS];
struct gfs2_holder qa_qd_ghs[2*MAXQUOTAS];
unsigned int qa_qd_num;
};
struct gfs2_blkreserv {
u32 rs_requested; /* Filled in by caller of gfs2_inplace_reserve() */
struct gfs2_holder rs_rgd_gh; /* Filled in by gfs2_inplace_reserve() */
/* ancillary quota stuff */
struct gfs2_quota_data *rs_qa_qd[2 * MAXQUOTAS];
struct gfs2_holder rs_qa_qd_ghs[2 * MAXQUOTAS];
unsigned int rs_qa_qd_num;
};
enum {
@ -319,7 +317,6 @@ struct gfs2_inode {
struct gfs2_glock *i_gl; /* Move into i_gh? */
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; /* resource group block reservation */
struct gfs2_rgrpd *i_rgd;
u64 i_goal; /* goal block for allocations */

44
fs/gfs2/inode.c
View File

@ -521,12 +521,10 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
int error;
munge_mode_uid_gid(dip, &mode, &uid, &gid);
if (!gfs2_qadata_get(dip))
return -ENOMEM;
error = gfs2_quota_lock(dip, uid, gid);
if (error)
goto out;
return error;
error = gfs2_quota_check(dip, uid, gid);
if (error)
@ -542,8 +540,6 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
out_quota:
gfs2_quota_unlock(dip);
out:
gfs2_qadata_put(dip);
return error;
}
@ -551,15 +547,10 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,
struct gfs2_inode *ip)
{
struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
struct gfs2_qadata *qa;
int alloc_required;
struct buffer_head *dibh;
int error;
qa = gfs2_qadata_get(dip);
if (!qa)
return -ENOMEM;
error = gfs2_quota_lock(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
if (error)
goto fail;
@ -611,7 +602,6 @@ fail_quota_locks:
gfs2_quota_unlock(dip);
fail:
gfs2_qadata_put(dip);
return error;
}
@ -734,7 +724,6 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
if (gfs2_mb_reserved(dip))
gfs2_inplace_release(dip);
gfs2_quota_unlock(dip);
gfs2_qadata_put(dip);
mark_inode_dirty(inode);
gfs2_glock_dq_uninit_m(2, ghs);
d_instantiate(dentry, inode);
@ -883,16 +872,9 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
error = 0;
if (alloc_required) {
struct gfs2_qadata *qa = gfs2_qadata_get(dip);
if (!qa) {
error = -ENOMEM;
goto out_gunlock;
}
error = gfs2_quota_lock_check(dip);
if (error)
goto out_alloc;
goto out_gunlock;
error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres);
if (error)
@ -935,9 +917,6 @@ out_ipres:
out_gunlock_q:
if (alloc_required)
gfs2_quota_unlock(dip);
out_alloc:
if (alloc_required)
gfs2_qadata_put(dip);
out_gunlock:
gfs2_glock_dq(ghs + 1);
out_child:
@ -1374,16 +1353,9 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
goto out_gunlock;
if (alloc_required) {
struct gfs2_qadata *qa = gfs2_qadata_get(ndip);
if (!qa) {
error = -ENOMEM;
goto out_gunlock;
}
error = gfs2_quota_lock_check(ndip);
if (error)
goto out_alloc;
goto out_gunlock;
error = gfs2_inplace_reserve(ndip, sdp->sd_max_dirres);
if (error)
@ -1444,9 +1416,6 @@ out_ipreserv:
out_gunlock_q:
if (alloc_required)
gfs2_quota_unlock(ndip);
out_alloc:
if (alloc_required)
gfs2_qadata_put(ndip);
out_gunlock:
while (x--) {
gfs2_glock_dq(ghs + x);
@ -1607,12 +1576,9 @@ static int setattr_chown(struct inode *inode, struct iattr *attr)
if (!(attr->ia_valid & ATTR_GID) || ogid == ngid)
ogid = ngid = NO_QUOTA_CHANGE;
if (!gfs2_qadata_get(ip))
return -ENOMEM;
error = gfs2_quota_lock(ip, nuid, ngid);
if (error)
goto out_alloc;
return error;
if (ouid != NO_QUOTA_CHANGE || ogid != NO_QUOTA_CHANGE) {
error = gfs2_quota_check(ip, nuid, ngid);
@ -1638,8 +1604,6 @@ out_end_trans:
gfs2_trans_end(sdp);
out_gunlock_q:
gfs2_quota_unlock(ip);
out_alloc:
gfs2_qadata_put(ip);
return error;
}

1
fs/gfs2/main.c
View File

@ -43,7 +43,6 @@ static void gfs2_init_inode_once(void *foo)
inode_init_once(&ip->i_inode);
init_rwsem(&ip->i_rw_mutex);
INIT_LIST_HEAD(&ip->i_trunc_list);
ip->i_qadata = NULL;
ip->i_res = NULL;
ip->i_hash_cache = NULL;
}

59
fs/gfs2/quota.c
View File

@ -494,11 +494,15 @@ static void qdsb_put(struct gfs2_quota_data *qd)
int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_qadata *qa = ip->i_qadata;
struct gfs2_quota_data **qd = qa->qa_qd;
struct gfs2_quota_data **qd;
int error;
if (gfs2_assert_warn(sdp, !qa->qa_qd_num) ||
if (ip->i_res == NULL)
gfs2_rs_alloc(ip);
qd = ip->i_res->rs_qa_qd;
if (gfs2_assert_warn(sdp, !ip->i_res->rs_qa_qd_num) ||
gfs2_assert_warn(sdp, !test_bit(GIF_QD_LOCKED, &ip->i_flags)))
return -EIO;
@ -508,20 +512,20 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid)
error = qdsb_get(sdp, QUOTA_USER, ip->i_inode.i_uid, qd);
if (error)
goto out;
qa->qa_qd_num++;
ip->i_res->rs_qa_qd_num++;
qd++;
error = qdsb_get(sdp, QUOTA_GROUP, ip->i_inode.i_gid, qd);
if (error)
goto out;
qa->qa_qd_num++;
ip->i_res->rs_qa_qd_num++;
qd++;
if (uid != NO_QUOTA_CHANGE && uid != ip->i_inode.i_uid) {
error = qdsb_get(sdp, QUOTA_USER, uid, qd);
if (error)
goto out;
qa->qa_qd_num++;
ip->i_res->rs_qa_qd_num++;
qd++;
}
@ -529,7 +533,7 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid)
error = qdsb_get(sdp, QUOTA_GROUP, gid, qd);
if (error)
goto out;
qa->qa_qd_num++;
ip->i_res->rs_qa_qd_num++;
qd++;
}
@ -542,16 +546,17 @@ out:
void gfs2_quota_unhold(struct gfs2_inode *ip)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_qadata *qa = ip->i_qadata;
unsigned int x;
if (ip->i_res == NULL)
return;
gfs2_assert_warn(sdp, !test_bit(GIF_QD_LOCKED, &ip->i_flags));
for (x = 0; x < qa->qa_qd_num; x++) {
qdsb_put(qa->qa_qd[x]);
qa->qa_qd[x] = NULL;
for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) {
qdsb_put(ip->i_res->rs_qa_qd[x]);
ip->i_res->rs_qa_qd[x] = NULL;
}
qa->qa_qd_num = 0;
ip->i_res->rs_qa_qd_num = 0;
}
static int sort_qd(const void *a, const void *b)
@ -919,7 +924,6 @@ fail:
int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_qadata *qa = ip->i_qadata;
struct gfs2_quota_data *qd;
unsigned int x;
int error = 0;
@ -932,15 +936,15 @@ int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid)
sdp->sd_args.ar_quota != GFS2_QUOTA_ON)
return 0;
sort(qa->qa_qd, qa->qa_qd_num, sizeof(struct gfs2_quota_data *),
sort_qd, NULL);
sort(ip->i_res->rs_qa_qd, ip->i_res->rs_qa_qd_num,
sizeof(struct gfs2_quota_data *), sort_qd, NULL);
for (x = 0; x < qa->qa_qd_num; x++) {
for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) {
int force = NO_FORCE;
qd = qa->qa_qd[x];
qd = ip->i_res->rs_qa_qd[x];
if (test_and_clear_bit(QDF_REFRESH, &qd->qd_flags))
force = FORCE;
error = do_glock(qd, force, &qa->qa_qd_ghs[x]);
error = do_glock(qd, force, &ip->i_res->rs_qa_qd_ghs[x]);
if (error)
break;
}
@ -949,7 +953,7 @@ int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid)
set_bit(GIF_QD_LOCKED, &ip->i_flags);
else {
while (x--)
gfs2_glock_dq_uninit(&qa->qa_qd_ghs[x]);
gfs2_glock_dq_uninit(&ip->i_res->rs_qa_qd_ghs[x]);
gfs2_quota_unhold(ip);
}
@ -994,7 +998,6 @@ static int need_sync(struct gfs2_quota_data *qd)
void gfs2_quota_unlock(struct gfs2_inode *ip)
{
struct gfs2_qadata *qa = ip->i_qadata;
struct gfs2_quota_data *qda[4];
unsigned int count = 0;
unsigned int x;
@ -1002,14 +1005,14 @@ void gfs2_quota_unlock(struct gfs2_inode *ip)
if (!test_and_clear_bit(GIF_QD_LOCKED, &ip->i_flags))
goto out;
for (x = 0; x < qa->qa_qd_num; x++) {
for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) {
struct gfs2_quota_data *qd;
int sync;
qd = qa->qa_qd[x];
qd = ip->i_res->rs_qa_qd[x];
sync = need_sync(qd);
gfs2_glock_dq_uninit(&qa->qa_qd_ghs[x]);
gfs2_glock_dq_uninit(&ip->i_res->rs_qa_qd_ghs[x]);
if (sync && qd_trylock(qd))
qda[count++] = qd;
@ -1042,7 +1045,6 @@ static int print_message(struct gfs2_quota_data *qd, char *type)
int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_qadata *qa = ip->i_qadata;
struct gfs2_quota_data *qd;
s64 value;
unsigned int x;
@ -1054,8 +1056,8 @@ int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid)
if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON)
return 0;
for (x = 0; x < qa->qa_qd_num; x++) {
qd = qa->qa_qd[x];
for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) {
qd = ip->i_res->rs_qa_qd[x];
if (!((qd->qd_id == uid && test_bit(QDF_USER, &qd->qd_flags)) ||
(qd->qd_id == gid && !test_bit(QDF_USER, &qd->qd_flags))))
@ -1093,7 +1095,6 @@ int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid)
void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
u32 uid, u32 gid)
{
struct gfs2_qadata *qa = ip->i_qadata;
struct gfs2_quota_data *qd;
unsigned int x;
@ -1102,8 +1103,8 @@ void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
if (ip->i_diskflags & GFS2_DIF_SYSTEM)
return;
for (x = 0; x < qa->qa_qd_num; x++) {
qd = qa->qa_qd[x];
for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) {
qd = ip->i_res->rs_qa_qd[x];
if ((qd->qd_id == uid && test_bit(QDF_USER, &qd->qd_flags)) ||
(qd->qd_id == gid && !test_bit(QDF_USER, &qd->qd_flags))) {

19
fs/gfs2/rgrp.c
View File

@ -1006,25 +1006,6 @@ out:
return ret;
}
/**
* gfs2_qadata_get - get the struct gfs2_qadata structure for an inode
* @ip: the incore GFS2 inode structure
*
* Returns: the struct gfs2_qadata
*/
struct gfs2_qadata *gfs2_qadata_get(struct gfs2_inode *ip)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
int error;
BUG_ON(ip->i_qadata != NULL);
ip->i_qadata = kzalloc(sizeof(struct gfs2_qadata), GFP_NOFS);
error = gfs2_rindex_update(sdp);
if (error)
fs_warn(sdp, "rindex update returns %d\n", error);
return ip->i_qadata;
}
/**
* try_rgrp_fit - See if a given reservation will fit in a given RG
* @rgd: the RG data

8
fs/gfs2/rgrp.h
View File

@ -29,14 +29,6 @@ extern void gfs2_free_clones(struct gfs2_rgrpd *rgd);
extern int gfs2_rgrp_go_lock(struct gfs2_holder *gh);
extern void gfs2_rgrp_go_unlock(struct gfs2_holder *gh);
extern struct gfs2_qadata *gfs2_qadata_get(struct gfs2_inode *ip);
static inline void gfs2_qadata_put(struct gfs2_inode *ip)
{
BUG_ON(ip->i_qadata == NULL);
kfree(ip->i_qadata);
ip->i_qadata = NULL;
}
extern int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested);
extern void gfs2_inplace_release(struct gfs2_inode *ip);

9
fs/gfs2/super.c
View File

@ -1399,7 +1399,6 @@ 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;
@ -1409,13 +1408,9 @@ static int gfs2_dinode_dealloc(struct gfs2_inode *ip)
return -EIO;
}
qa = gfs2_qadata_get(ip);
if (!qa)
return -ENOMEM;
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) {
@ -1443,8 +1438,6 @@ out_rg_gunlock:
gfs2_glock_dq_uninit(&gh);
out_qs:
gfs2_quota_unhold(ip);
out:
gfs2_qadata_put(ip);
return error;
}

24
fs/gfs2/xattr.c
View File

@ -325,13 +325,8 @@ static int ea_remove_unstuffed(struct gfs2_inode *ip, struct buffer_head *bh,
struct gfs2_ea_header *ea,
struct gfs2_ea_header *prev, int leave)
{
struct gfs2_qadata *qa;
int error;
qa = gfs2_qadata_get(ip);
if (!qa)
return -ENOMEM;
error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
if (error)
goto out_alloc;
@ -340,7 +335,6 @@ static int ea_remove_unstuffed(struct gfs2_inode *ip, struct buffer_head *bh,
gfs2_quota_unhold(ip);
out_alloc:
gfs2_qadata_put(ip);
return error;
}
@ -713,17 +707,12 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er,
unsigned int blks,
ea_skeleton_call_t skeleton_call, void *private)
{
struct gfs2_qadata *qa;
struct buffer_head *dibh;
int error;
qa = gfs2_qadata_get(ip);
if (!qa)
return -ENOMEM;
error = gfs2_quota_lock_check(ip);
if (error)
goto out;
return error;
error = gfs2_inplace_reserve(ip, blks);
if (error)
@ -753,8 +742,6 @@ out_ipres:
gfs2_inplace_release(ip);
out_gunlock_q:
gfs2_quota_unlock(ip);
out:
gfs2_qadata_put(ip);
return error;
}
@ -1494,16 +1481,11 @@ out_gunlock:
int gfs2_ea_dealloc(struct gfs2_inode *ip)
{
struct gfs2_qadata *qa;
int error;
qa = gfs2_qadata_get(ip);
if (!qa)
return -ENOMEM;
error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
if (error)
goto out_alloc;
return error;
error = ea_foreach(ip, ea_dealloc_unstuffed, NULL);
if (error)
@ -1519,8 +1501,6 @@ int gfs2_ea_dealloc(struct gfs2_inode *ip)
out_quota:
gfs2_quota_unhold(ip);
out_alloc:
gfs2_qadata_put(ip);
return error;
}