diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 1f7d8057ea68d1c7214d3db0a6446aa248888eea..b7fc035a6943cc40f649f1cca7be5858fbcf1cbc 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -611,12 +611,14 @@ 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) { + struct gfs2_alloc_parms ap = { .aflags = 0, }; error = gfs2_quota_lock_check(ip); if (error) goto out_unlock; requested = data_blocks + ind_blocks; - error = gfs2_inplace_reserve(ip, requested, 0); + ap.target = requested; + error = gfs2_inplace_reserve(ip, &ap); if (error) goto out_qunlock; } diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 21ad0f11cad45aa7fb3cdd27cb93962bdb880020..fe0500c0af7aab88ca4276234df6894cca7290b3 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -1216,6 +1216,7 @@ static int do_grow(struct inode *inode, u64 size) { struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); + struct gfs2_alloc_parms ap = { .target = 1, }; struct buffer_head *dibh; int error; int unstuff = 0; @@ -1226,7 +1227,7 @@ static int do_grow(struct inode *inode, u64 size) if (error) return error; - error = gfs2_inplace_reserve(ip, 1, 0); + error = gfs2_inplace_reserve(ip, &ap); if (error) goto do_grow_qunlock; unstuff = 1; diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index 9ad20edc9c277e59f095fb7455f1b887c2eb0431..efc078f0ee4ed5464646841a4035b933756b562e 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -383,6 +383,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) struct inode *inode = file_inode(vma->vm_file); struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); + struct gfs2_alloc_parms ap = { .aflags = 0, }; unsigned long last_index; u64 pos = page->index << PAGE_CACHE_SHIFT; unsigned int data_blocks, ind_blocks, rblocks; @@ -430,7 +431,8 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) if (ret) goto out_unlock; gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks); - ret = gfs2_inplace_reserve(ip, data_blocks + ind_blocks, 0); + ap.target = data_blocks + ind_blocks; + ret = gfs2_inplace_reserve(ip, &ap); if (ret) goto out_quota_unlock; @@ -800,6 +802,7 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset, struct inode *inode = file_inode(file); struct gfs2_sbd *sdp = GFS2_SB(inode); struct gfs2_inode *ip = GFS2_I(inode); + struct gfs2_alloc_parms ap = { .aflags = 0, }; unsigned int data_blocks = 0, ind_blocks = 0, rblocks; loff_t bytes, max_bytes; int error; @@ -850,7 +853,8 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset, retry: gfs2_write_calc_reserv(ip, bytes, &data_blocks, &ind_blocks); - error = gfs2_inplace_reserve(ip, data_blocks + ind_blocks, 0); + ap.target = data_blocks + ind_blocks; + error = gfs2_inplace_reserve(ip, &ap); if (error) { if (error == -ENOSPC && bytes > sdp->sd_sb.sb_bsize) { bytes >>= 1; diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 8c8f110d8e35a307c6c4b94f8c9d7658285013aa..082c8fa7fab9a5ffa8d42d69257fb89178c03d2c 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -285,6 +285,20 @@ struct gfs2_blkreserv { unsigned int rs_qa_qd_num; }; +/* + * Allocation parameters + * @target: The number of blocks we'd ideally like to allocate + * @aflags: The flags (e.g. Orlov flag) + * + * The intent is to gradually expand this structure over time in + * order to give more information, e.g. alignment, min extent size + * to the allocation code. + */ +struct gfs2_alloc_parms { + u32 target; + u32 aflags; +}; + enum { GLF_LOCK = 1, GLF_DEMOTE = 3, diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 4b79c19100d26723fc415a1ace5d6744f2c49647..5a7ca3d1d1cf93578be6c034d6b2648b82761810 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -379,6 +379,7 @@ static void munge_mode_uid_gid(const struct gfs2_inode *dip, static int alloc_dinode(struct gfs2_inode *ip, u32 flags) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); + struct gfs2_alloc_parms ap = { .target = RES_DINODE, .aflags = flags, }; int error; int dblocks = 1; @@ -386,7 +387,7 @@ static int alloc_dinode(struct gfs2_inode *ip, u32 flags) if (error) goto out; - error = gfs2_inplace_reserve(ip, RES_DINODE, flags); + error = gfs2_inplace_reserve(ip, &ap); if (error) goto out_quota; @@ -472,6 +473,7 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, struct gfs2_inode *ip, int arq) { struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); + struct gfs2_alloc_parms ap = { .target = sdp->sd_max_dirres, }; int error; if (arq) { @@ -479,7 +481,7 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, if (error) goto fail_quota_locks; - error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres, 0); + error = gfs2_inplace_reserve(dip, &ap); if (error) goto fail_quota_locks; @@ -874,11 +876,12 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, error = 0; if (alloc_required) { + struct gfs2_alloc_parms ap = { .target = sdp->sd_max_dirres, }; error = gfs2_quota_lock_check(dip); if (error) goto out_gunlock; - error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres, 0); + error = gfs2_inplace_reserve(dip, &ap); if (error) goto out_gunlock_q; @@ -1387,11 +1390,12 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, goto out_gunlock; if (alloc_required) { + struct gfs2_alloc_parms ap = { .target = sdp->sd_max_dirres, }; error = gfs2_quota_lock_check(ndip); if (error) goto out_gunlock; - error = gfs2_inplace_reserve(ndip, sdp->sd_max_dirres, 0); + error = gfs2_inplace_reserve(ndip, &ap); if (error) goto out_gunlock_q; diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index db441359ee8cd2f31fa4a980afe8c54a3f715447..8fe7a0a87c8014f462e07429a7c78a7baa072c7a 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -763,6 +763,7 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda) { struct gfs2_sbd *sdp = (*qda)->qd_gl->gl_sbd; struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode); + struct gfs2_alloc_parms ap = { .aflags = 0, }; unsigned int data_blocks, ind_blocks; struct gfs2_holder *ghs, i_gh; unsigned int qx, x; @@ -815,7 +816,8 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda) blocks = num_qd * data_blocks + RES_DINODE + num_qd + 3; reserved = 1 + (nalloc * (data_blocks + ind_blocks)); - error = gfs2_inplace_reserve(ip, reserved, 0); + ap.target = reserved; + error = gfs2_inplace_reserve(ip, &ap); if (error) goto out_alloc; @@ -1573,10 +1575,12 @@ static int gfs2_set_dqblk(struct super_block *sb, struct kqid qid, if (gfs2_is_stuffed(ip)) alloc_required = 1; if (alloc_required) { + struct gfs2_alloc_parms ap = { .aflags = 0, }; gfs2_write_calc_reserv(ip, sizeof(struct gfs2_quota), &data_blocks, &ind_blocks); blocks = 1 + data_blocks + ind_blocks; - error = gfs2_inplace_reserve(ip, blocks, 0); + ap.target = blocks; + error = gfs2_inplace_reserve(ip, &ap); if (error) goto out_i; blocks += gfs2_rg_blocks(ip, blocks); diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index d4d10fadab79f46c1e5edfb622da11c4b3932cf2..4f0984a607b3e318227ea0f7e1e63515e210fa00 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -1422,12 +1422,12 @@ static void rs_insert(struct gfs2_inode *ip) * rg_mblk_search - find a group of multiple free blocks to form a reservation * @rgd: the resource group descriptor * @ip: pointer to the inode for which we're reserving blocks - * @requested: number of blocks required for this allocation + * @ap: the allocation parameters * */ static void rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip, - unsigned requested) + const struct gfs2_alloc_parms *ap) { struct gfs2_rbm rbm = { .rgd = rgd, }; u64 goal; @@ -1440,7 +1440,7 @@ static void rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip, if (S_ISDIR(inode->i_mode)) extlen = 1; else { - extlen = max_t(u32, atomic_read(&rs->rs_sizehint), requested); + extlen = max_t(u32, atomic_read(&rs->rs_sizehint), ap->target); extlen = clamp(extlen, RGRP_RSRV_MINBLKS, free_blocks); } if ((rgd->rd_free_clone < rgd->rd_reserved) || (free_blocks < extlen)) @@ -1831,12 +1831,12 @@ static bool gfs2_select_rgrp(struct gfs2_rgrpd **pos, const struct gfs2_rgrpd *b /** * gfs2_inplace_reserve - Reserve space in the filesystem * @ip: the inode to reserve space for - * @requested: the number of blocks to be reserved + * @ap: the allocation parameters * * Returns: errno */ -int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested, u32 aflags) +int gfs2_inplace_reserve(struct gfs2_inode *ip, const struct gfs2_alloc_parms *ap) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct gfs2_rgrpd *begin = NULL; @@ -1848,7 +1848,7 @@ int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested, u32 aflags) if (sdp->sd_args.ar_rgrplvb) flags |= GL_SKIP; - if (gfs2_assert_warn(sdp, requested)) + if (gfs2_assert_warn(sdp, ap->target)) return -EINVAL; if (gfs2_rs_active(rs)) { begin = rs->rs_rbm.rgd; @@ -1857,7 +1857,7 @@ int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested, u32 aflags) } else { rs->rs_rbm.rgd = begin = gfs2_blk2rgrpd(sdp, ip->i_goal, 1); } - if (S_ISDIR(ip->i_inode.i_mode) && (aflags & GFS2_AF_ORLOV)) + if (S_ISDIR(ip->i_inode.i_mode) && (ap->aflags & GFS2_AF_ORLOV)) skip = gfs2_orlov_skip(ip); if (rs->rs_rbm.rgd == NULL) return -EBADSLT; @@ -1899,14 +1899,14 @@ int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested, u32 aflags) /* Get a reservation if we don't already have one */ if (!gfs2_rs_active(rs)) - rg_mblk_search(rs->rs_rbm.rgd, ip, requested); + rg_mblk_search(rs->rs_rbm.rgd, ip, ap); /* Skip rgrps when we can't get a reservation on first pass */ if (!gfs2_rs_active(rs) && (loops < 1)) goto check_rgrp; /* If rgrp has enough free space, use it */ - if (rs->rs_rbm.rgd->rd_free_clone >= requested) { + if (rs->rs_rbm.rgd->rd_free_clone >= ap->target) { ip->i_rgd = rs->rs_rbm.rgd; return 0; } diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h index 57ea16ba3414e9b983c1d25b30d497dd547e5206..3a10d2ffbbe7b34e93fd37a8dbc68028b8bfa041 100644 --- a/fs/gfs2/rgrp.h +++ b/fs/gfs2/rgrp.h @@ -40,7 +40,7 @@ extern void gfs2_rgrp_go_unlock(struct gfs2_holder *gh); extern struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip); #define GFS2_AF_ORLOV 1 -extern int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested, u32 flags); +extern int gfs2_inplace_reserve(struct gfs2_inode *ip, const struct gfs2_alloc_parms *ap); extern void gfs2_inplace_release(struct gfs2_inode *ip); extern int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *n, diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c index ecd37f30ab91986923c5fa8c0cdf02f1bd3d330b..8c6a6f6bdba978f9c3b37703a79d4c409516557b 100644 --- a/fs/gfs2/xattr.c +++ b/fs/gfs2/xattr.c @@ -723,6 +723,7 @@ 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_alloc_parms ap = { .target = blks }; struct buffer_head *dibh; int error; @@ -734,7 +735,7 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er, if (error) return error; - error = gfs2_inplace_reserve(ip, blks, 0); + error = gfs2_inplace_reserve(ip, &ap); if (error) goto out_gunlock_q;