diff options
Diffstat (limited to 'fs/gfs2')
-rw-r--r-- | fs/gfs2/aops.c | 9 | ||||
-rw-r--r-- | fs/gfs2/file.c | 4 | ||||
-rw-r--r-- | fs/gfs2/incore.h | 3 | ||||
-rw-r--r-- | fs/gfs2/inode.c | 9 | ||||
-rw-r--r-- | fs/gfs2/quota.c | 9 | ||||
-rw-r--r-- | fs/gfs2/rgrp.c | 35 | ||||
-rw-r--r-- | fs/gfs2/rgrp.h | 8 | ||||
-rw-r--r-- | fs/gfs2/trans.h | 7 | ||||
-rw-r--r-- | fs/gfs2/xattr.c | 2 |
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; |