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-rw-r--r--fs/gfs2/aops.c9
-rw-r--r--fs/gfs2/file.c4
-rw-r--r--fs/gfs2/incore.h3
-rw-r--r--fs/gfs2/inode.c9
-rw-r--r--fs/gfs2/quota.c9
-rw-r--r--fs/gfs2/rgrp.c35
-rw-r--r--fs/gfs2/rgrp.h8
-rw-r--r--fs/gfs2/trans.h7
-rw-r--r--fs/gfs2/xattr.c2
9 files changed, 27 insertions, 59 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index d6526347d386..00eaa83871b7 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -612,6 +612,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
struct gfs2_sbd *sdp = GFS2_SB(mapping->host);
struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
+ unsigned requested = 0;
int alloc_required;
int error = 0;
pgoff_t index = pos >> PAGE_CACHE_SHIFT;
@@ -641,7 +642,8 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
if (error)
goto out_unlock;
- error = gfs2_inplace_reserve(ip, data_blocks + ind_blocks);
+ requested = data_blocks + ind_blocks;
+ error = gfs2_inplace_reserve(ip, requested);
if (error)
goto out_qunlock;
}
@@ -654,7 +656,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
if (&ip->i_inode == sdp->sd_rindex)
rblocks += 2 * RES_STATFS;
if (alloc_required)
- rblocks += gfs2_rg_blocks(ip);
+ rblocks += gfs2_rg_blocks(ip, requested);
error = gfs2_trans_begin(sdp, rblocks,
PAGE_CACHE_SIZE/sdp->sd_sb.sb_bsize);
@@ -868,8 +870,7 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping,
brelse(dibh);
failed:
gfs2_trans_end(sdp);
- if (gfs2_mb_reserved(ip))
- gfs2_inplace_release(ip);
+ gfs2_inplace_release(ip);
if (ip->i_res->rs_qa_qd_num)
gfs2_quota_unlock(ip);
if (inode == sdp->sd_rindex) {
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 382000ffac1f..30e21997a1a1 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -441,7 +441,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
rblocks += data_blocks ? data_blocks : 1;
if (ind_blocks || data_blocks) {
rblocks += RES_STATFS + RES_QUOTA;
- rblocks += gfs2_rg_blocks(ip);
+ rblocks += gfs2_rg_blocks(ip, data_blocks + ind_blocks);
}
ret = gfs2_trans_begin(sdp, rblocks, 0);
if (ret)
@@ -845,7 +845,7 @@ retry:
&max_bytes, &data_blocks, &ind_blocks);
rblocks = RES_DINODE + ind_blocks + RES_STATFS + RES_QUOTA +
- RES_RG_HDR + gfs2_rg_blocks(ip);
+ RES_RG_HDR + gfs2_rg_blocks(ip, data_blocks + ind_blocks);
if (gfs2_is_jdata(ip))
rblocks += data_blocks ? data_blocks : 1;
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index aaecc8085fc5..52078a161ecd 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -250,9 +250,6 @@ struct gfs2_blkreserv {
/* components used during write (step 1): */
atomic_t rs_sizehint; /* hint of the write size */
- /* components used during inplace_reserve (step 2): */
- u32 rs_requested; /* Filled in by caller of gfs2_inplace_reserve() */
-
/* components used during get_local_rgrp (step 3): */
struct gfs2_rgrpd *rs_rgd; /* pointer to the gfs2_rgrpd */
struct gfs2_holder rs_rgd_gh; /* Filled in by get_local_rgrp */
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 753af3d86bbc..f2709ea887da 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -737,10 +737,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
brelse(bh);
gfs2_trans_end(sdp);
- /* Check if we reserved space in the rgrp. Function link_dinode may
- not, depending on whether alloc is required. */
- if (gfs2_mb_reserved(dip))
- gfs2_inplace_release(dip);
+ gfs2_inplace_release(dip);
gfs2_quota_unlock(dip);
mark_inode_dirty(inode);
gfs2_glock_dq_uninit_m(2, ghs);
@@ -897,7 +894,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
goto out_gunlock_q;
error = gfs2_trans_begin(sdp, sdp->sd_max_dirres +
- gfs2_rg_blocks(dip) +
+ gfs2_rg_blocks(dip, sdp->sd_max_dirres) +
2 * RES_DINODE + RES_STATFS +
RES_QUOTA, 0);
if (error)
@@ -1378,7 +1375,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
goto out_gunlock_q;
error = gfs2_trans_begin(sdp, sdp->sd_max_dirres +
- gfs2_rg_blocks(ndip) +
+ gfs2_rg_blocks(ndip, sdp->sd_max_dirres) +
4 * RES_DINODE + 4 * RES_LEAF +
RES_STATFS + RES_QUOTA + 4, 0);
if (error)
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index a3bde91645c2..420bc3805ccc 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -765,6 +765,7 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
struct gfs2_holder *ghs, i_gh;
unsigned int qx, x;
struct gfs2_quota_data *qd;
+ unsigned reserved;
loff_t offset;
unsigned int nalloc = 0, blocks;
int error;
@@ -811,13 +812,13 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
* two blocks need to be updated instead of 1 */
blocks = num_qd * data_blocks + RES_DINODE + num_qd + 3;
- error = gfs2_inplace_reserve(ip, 1 +
- (nalloc * (data_blocks + ind_blocks)));
+ reserved = 1 + (nalloc * (data_blocks + ind_blocks));
+ error = gfs2_inplace_reserve(ip, reserved);
if (error)
goto out_alloc;
if (nalloc)
- blocks += gfs2_rg_blocks(ip) + nalloc * ind_blocks + RES_STATFS;
+ blocks += gfs2_rg_blocks(ip, reserved) + nalloc * ind_blocks + RES_STATFS;
error = gfs2_trans_begin(sdp, blocks, 0);
if (error)
@@ -1598,7 +1599,7 @@ static int gfs2_set_dqblk(struct super_block *sb, int type, qid_t id,
error = gfs2_inplace_reserve(ip, blocks);
if (error)
goto out_i;
- blocks += gfs2_rg_blocks(ip);
+ blocks += gfs2_rg_blocks(ip, blocks);
}
/* Some quotas span block boundaries and can update two blocks,
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index c9ed814eeb6f..a2b43bb83499 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -539,7 +539,6 @@ static void __rs_deltree(struct gfs2_blkreserv *rs)
E.g. We can't set rs_rgd to NULL because the rgd glock is held and
dequeued through this pointer.
Can't: atomic_set(&rs->rs_sizehint, 0);
- Can't: rs->rs_requested = 0;
Can't: rs->rs_rgd = NULL;*/
rs->rs_bi = NULL;
rs->rs_biblk = 0;
@@ -1350,7 +1349,7 @@ static u32 unclaimed_blocks(struct gfs2_rgrpd *rgd)
* Returns: 0 if successful or BFITNOENT if there isn't enough free space
*/
-static int rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip)
+static int rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip, unsigned requested)
{
struct gfs2_bitmap *bi = rgd->rd_bits;
const u32 length = rgd->rd_length;
@@ -1422,8 +1421,7 @@ do_search:
what we can. If there's not enough, keep looking. */
if (nonzero == NULL)
rsv_bytes = search_bytes;
- else if ((nonzero - ptr) * GFS2_NBBY >=
- ip->i_res->rs_requested)
+ else if ((nonzero - ptr) * GFS2_NBBY >= requested)
rsv_bytes = (nonzero - ptr);
if (rsv_bytes) {
@@ -1461,17 +1459,16 @@ skip:
* Returns: 1 on success (it fits), 0 on failure (it doesn't fit)
*/
-static int try_rgrp_fit(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip)
+static int try_rgrp_fit(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip,
+ unsigned requested)
{
- struct gfs2_blkreserv *rs = ip->i_res;
-
if (rgd->rd_flags & (GFS2_RGF_NOALLOC | GFS2_RDF_ERROR))
return 0;
/* Look for a multi-block reservation. */
if (unclaimed_blocks(rgd) >= RGRP_RSRV_MINBLKS &&
- rg_mblk_search(rgd, ip) != BFITNOENT)
+ rg_mblk_search(rgd, ip, requested) != BFITNOENT)
return 1;
- if (unclaimed_blocks(rgd) >= rs->rs_requested)
+ if (unclaimed_blocks(rgd) >= requested)
return 1;
return 0;
@@ -1562,7 +1559,6 @@ int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested)
if (sdp->sd_args.ar_rgrplvb)
flags |= GL_SKIP;
- rs->rs_requested = requested;
if (gfs2_assert_warn(sdp, requested)) {
error = -EINVAL;
goto out;
@@ -1606,7 +1602,7 @@ int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested)
case 0:
if (gfs2_rs_active(rs)) {
if (unclaimed_blocks(rs->rs_rgd) +
- rs->rs_free >= rs->rs_requested) {
+ rs->rs_free >= requested) {
ip->i_rgd = rs->rs_rgd;
return 0;
}
@@ -1616,7 +1612,7 @@ int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested)
and look for a suitable rgrp. */
gfs2_rs_deltree(rs);
}
- if (try_rgrp_fit(rs->rs_rgd, ip)) {
+ if (try_rgrp_fit(rs->rs_rgd, ip, requested)) {
if (sdp->sd_args.ar_rgrplvb)
gfs2_rgrp_bh_get(rs->rs_rgd);
ip->i_rgd = rs->rs_rgd;
@@ -1656,8 +1652,6 @@ int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested)
error = -ENOSPC;
out:
- if (error)
- rs->rs_requested = 0;
return error;
}
@@ -1672,15 +1666,8 @@ void gfs2_inplace_release(struct gfs2_inode *ip)
{
struct gfs2_blkreserv *rs = ip->i_res;
- if (!rs)
- return;
-
- if (!rs->rs_free)
- gfs2_rs_deltree(rs);
-
if (rs->rs_rgd_gh.gh_gl)
gfs2_glock_dq_uninit(&rs->rs_rgd_gh);
- rs->rs_requested = 0;
}
/**
@@ -2021,12 +2008,6 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks,
int error;
struct gfs2_bitmap *bi;
- /* Only happens if there is a bug in gfs2, return something distinctive
- * to ensure that it is noticed.
- */
- if (ip->i_res->rs_requested == 0)
- return -ECANCELED;
-
/* If we have a reservation, claim blocks from it. */
if (gfs2_rs_active(ip->i_res)) {
BUG_ON(!ip->i_res->rs_free);
diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h
index ca6e26729b86..0b0e9cc7e3d9 100644
--- a/fs/gfs2/rgrp.h
+++ b/fs/gfs2/rgrp.h
@@ -73,14 +73,6 @@ extern int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
const struct gfs2_bitmap *bi, unsigned minlen, u64 *ptrimmed);
extern int gfs2_fitrim(struct file *filp, void __user *argp);
-/* This is how to tell if a multi-block reservation is "inplace" reserved: */
-static inline int gfs2_mb_reserved(struct gfs2_inode *ip)
-{
- if (ip->i_res && ip->i_res->rs_requested)
- return 1;
- return 0;
-}
-
/* This is how to tell if a multi-block reservation is in the rgrp tree: */
static inline int gfs2_rs_active(struct gfs2_blkreserv *rs)
{
diff --git a/fs/gfs2/trans.h b/fs/gfs2/trans.h
index 41f42cdccbb8..bf2ae9aeee7a 100644
--- a/fs/gfs2/trans.h
+++ b/fs/gfs2/trans.h
@@ -28,11 +28,10 @@ struct gfs2_glock;
/* reserve either the number of blocks to be allocated plus the rg header
* block, or all of the blocks in the rg, whichever is smaller */
-static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip)
+static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip, unsigned requested)
{
- const struct gfs2_blkreserv *rs = ip->i_res;
- if (rs && rs->rs_requested < ip->i_rgd->rd_length)
- return rs->rs_requested + 1;
+ if (requested < ip->i_rgd->rd_length)
+ return requested + 1;
return ip->i_rgd->rd_length;
}
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index 5404ed1582ff..db330e5518cd 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -739,7 +739,7 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er,
goto out_gunlock_q;
error = gfs2_trans_begin(GFS2_SB(&ip->i_inode),
- blks + gfs2_rg_blocks(ip) +
+ blks + gfs2_rg_blocks(ip, blks) +
RES_DINODE + RES_STATFS + RES_QUOTA, 0);
if (error)
goto out_ipres;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.