diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-08 13:07:54 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-08 13:07:54 -0800 |
commit | 1619ed8f60959829d070d8f39cd2f8ca0e7135ce (patch) | |
tree | aa2599110827affb10e64a12e85a9d11f45854b1 /fs/gfs2 | |
parent | 29ad0de279002f9b6a63df5ba85328f5b633b842 (diff) | |
parent | 46cc1e5fce46e71f27e542125e045827a6bb776e (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw:
GFS2: local functions should be static
GFS2: We only need one ACL getting function
GFS2: Fix multi-block allocation
GFS2: decouple quota allocations from block allocations
GFS2: split function rgblk_search
GFS2: Fix up "off by one" in the previous patch
GFS2: move toward a generic multi-block allocator
GFS2: O_(D)SYNC support for fallocate
GFS2: remove vestigial al_alloced
GFS2: combine gfs2_alloc_block and gfs2_alloc_di
GFS2: Add non-try locks back to get_local_rgrp
GFS2: f_ra is always valid in dir readahead function
GFS2: Fix very unlikley memory leak in ACL xattr code
GFS2: More automated code analysis fixes
GFS2: Add readahead to sequential directory traversal
GFS2: Fix up REQ flags
Diffstat (limited to 'fs/gfs2')
-rw-r--r-- | fs/gfs2/acl.c | 14 | ||||
-rw-r--r-- | fs/gfs2/aops.c | 18 | ||||
-rw-r--r-- | fs/gfs2/bmap.c | 26 | ||||
-rw-r--r-- | fs/gfs2/dir.c | 64 | ||||
-rw-r--r-- | fs/gfs2/dir.h | 2 | ||||
-rw-r--r-- | fs/gfs2/export.c | 3 | ||||
-rw-r--r-- | fs/gfs2/file.c | 34 | ||||
-rw-r--r-- | fs/gfs2/incore.h | 20 | ||||
-rw-r--r-- | fs/gfs2/inode.c | 72 | ||||
-rw-r--r-- | fs/gfs2/log.c | 2 | ||||
-rw-r--r-- | fs/gfs2/main.c | 3 | ||||
-rw-r--r-- | fs/gfs2/meta_io.c | 4 | ||||
-rw-r--r-- | fs/gfs2/ops_fstype.c | 2 | ||||
-rw-r--r-- | fs/gfs2/quota.c | 87 | ||||
-rw-r--r-- | fs/gfs2/rgrp.c | 293 | ||||
-rw-r--r-- | fs/gfs2/rgrp.h | 16 | ||||
-rw-r--r-- | fs/gfs2/super.c | 14 | ||||
-rw-r--r-- | fs/gfs2/trans.h | 6 | ||||
-rw-r--r-- | fs/gfs2/xattr.c | 48 |
19 files changed, 394 insertions, 334 deletions
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c index 65978d7885c8..230eb0f005b6 100644 --- a/fs/gfs2/acl.c +++ b/fs/gfs2/acl.c @@ -38,8 +38,9 @@ static const char *gfs2_acl_name(int type) return NULL; } -static struct posix_acl *gfs2_acl_get(struct gfs2_inode *ip, int type) +struct posix_acl *gfs2_get_acl(struct inode *inode, int type) { + struct gfs2_inode *ip = GFS2_I(inode); struct posix_acl *acl; const char *name; char *data; @@ -67,11 +68,6 @@ static struct posix_acl *gfs2_acl_get(struct gfs2_inode *ip, int type) return acl; } -struct posix_acl *gfs2_get_acl(struct inode *inode, int type) -{ - return gfs2_acl_get(GFS2_I(inode), type); -} - static int gfs2_set_mode(struct inode *inode, umode_t mode) { int error = 0; @@ -125,7 +121,7 @@ int gfs2_acl_create(struct gfs2_inode *dip, struct inode *inode) if (S_ISLNK(inode->i_mode)) return 0; - acl = gfs2_acl_get(dip, ACL_TYPE_DEFAULT); + acl = gfs2_get_acl(&dip->i_inode, ACL_TYPE_DEFAULT); if (IS_ERR(acl)) return PTR_ERR(acl); if (!acl) { @@ -166,7 +162,7 @@ int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr) unsigned int len; int error; - acl = gfs2_acl_get(ip, ACL_TYPE_ACCESS); + acl = gfs2_get_acl(&ip->i_inode, ACL_TYPE_ACCESS); if (IS_ERR(acl)) return PTR_ERR(acl); if (!acl) @@ -216,7 +212,7 @@ static int gfs2_xattr_system_get(struct dentry *dentry, const char *name, if (type < 0) return type; - acl = gfs2_acl_get(GFS2_I(inode), type); + acl = gfs2_get_acl(inode, type); if (IS_ERR(acl)) return PTR_ERR(acl); if (acl == NULL) diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 4858e1fed8b1..501e5cba09b3 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -615,7 +615,7 @@ 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_alloc *al = NULL; + struct gfs2_qadata *qa = NULL; pgoff_t index = pos >> PAGE_CACHE_SHIFT; unsigned from = pos & (PAGE_CACHE_SIZE - 1); struct page *page; @@ -639,8 +639,8 @@ 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) { - al = gfs2_alloc_get(ip); - if (!al) { + qa = gfs2_qadata_get(ip); + if (!qa) { error = -ENOMEM; goto out_unlock; } @@ -649,8 +649,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping, if (error) goto out_alloc_put; - al->al_requested = data_blocks + ind_blocks; - error = gfs2_inplace_reserve(ip); + error = gfs2_inplace_reserve(ip, data_blocks + ind_blocks); if (error) goto out_qunlock; } @@ -711,7 +710,7 @@ out_trans_fail: out_qunlock: gfs2_quota_unlock(ip); out_alloc_put: - gfs2_alloc_put(ip); + gfs2_qadata_put(ip); } out_unlock: if (&ip->i_inode == sdp->sd_rindex) { @@ -848,7 +847,7 @@ 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_alloc *al = ip->i_alloc; + struct gfs2_qadata *qa = ip->i_qadata; unsigned int from = pos & (PAGE_CACHE_SIZE - 1); unsigned int to = from + len; int ret; @@ -880,10 +879,11 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping, brelse(dibh); failed: gfs2_trans_end(sdp); - if (al) { + if (ip->i_res) gfs2_inplace_release(ip); + if (qa) { gfs2_quota_unlock(ip); - gfs2_alloc_put(ip); + gfs2_qadata_put(ip); } if (inode == sdp->sd_rindex) { gfs2_glock_dq(&m_ip->i_gh); diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 41d494d79709..14a704015970 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -133,7 +133,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page) and write it out to disk */ unsigned int n = 1; - error = gfs2_alloc_block(ip, &block, &n); + error = gfs2_alloc_blocks(ip, &block, &n, 0, NULL); if (error) goto out_brelse; if (isdir) { @@ -503,7 +503,7 @@ static int gfs2_bmap_alloc(struct inode *inode, const sector_t lblock, do { int error; n = blks - alloced; - error = gfs2_alloc_block(ip, &bn, &n); + error = gfs2_alloc_blocks(ip, &bn, &n, 0, NULL); if (error) return error; alloced += n; @@ -743,9 +743,6 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh, else if (ip->i_depth) revokes = sdp->sd_inptrs; - if (error) - return error; - memset(&rlist, 0, sizeof(struct gfs2_rgrp_list)); bstart = 0; blen = 0; @@ -1044,7 +1041,7 @@ 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_alloc_get(ip)) + if (!gfs2_qadata_get(ip)) return -ENOMEM; error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); @@ -1064,7 +1061,7 @@ static int trunc_dealloc(struct gfs2_inode *ip, u64 size) gfs2_quota_unhold(ip); out: - gfs2_alloc_put(ip); + gfs2_qadata_put(ip); return error; } @@ -1166,21 +1163,20 @@ 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_alloc *al = NULL; + struct gfs2_qadata *qa = NULL; int error; if (gfs2_is_stuffed(ip) && (size > (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode)))) { - al = gfs2_alloc_get(ip); - if (al == NULL) + qa = gfs2_qadata_get(ip); + if (qa == NULL) return -ENOMEM; error = gfs2_quota_lock_check(ip); if (error) goto do_grow_alloc_put; - al->al_requested = 1; - error = gfs2_inplace_reserve(ip); + error = gfs2_inplace_reserve(ip, 1); if (error) goto do_grow_qunlock; } @@ -1189,7 +1185,7 @@ static int do_grow(struct inode *inode, u64 size) if (error) goto do_grow_release; - if (al) { + if (qa) { error = gfs2_unstuff_dinode(ip, NULL); if (error) goto do_end_trans; @@ -1208,12 +1204,12 @@ static int do_grow(struct inode *inode, u64 size) do_end_trans: gfs2_trans_end(sdp); do_grow_release: - if (al) { + if (qa) { gfs2_inplace_release(ip); do_grow_qunlock: gfs2_quota_unlock(ip); do_grow_alloc_put: - gfs2_alloc_put(ip); + gfs2_qadata_put(ip); } return error; } diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 8ccad2467cb6..c35573abd371 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -76,6 +76,8 @@ #define IS_LEAF 1 /* Hashed (leaf) directory */ #define IS_DINODE 2 /* Linear (stuffed dinode block) directory */ +#define MAX_RA_BLOCKS 32 /* max read-ahead blocks */ + #define gfs2_disk_hash2offset(h) (((u64)(h)) >> 1) #define gfs2_dir_offset2hash(p) ((u32)(((u64)(p)) << 1)) @@ -821,7 +823,7 @@ static struct gfs2_leaf *new_leaf(struct inode *inode, struct buffer_head **pbh, struct gfs2_dirent *dent; struct qstr name = { .name = "", .len = 0, .hash = 0 }; - error = gfs2_alloc_block(ip, &bn, &n); + error = gfs2_alloc_blocks(ip, &bn, &n, 0, NULL); if (error) return NULL; bh = gfs2_meta_new(ip->i_gl, bn); @@ -1376,6 +1378,52 @@ out: return error; } +/** + * gfs2_dir_readahead - Issue read-ahead requests for leaf blocks. + * + * Note: we can't calculate each index like dir_e_read can because we don't + * have the leaf, and therefore we don't have the depth, and therefore we + * don't have the length. So we have to just read enough ahead to make up + * for the loss of information. + */ +static void gfs2_dir_readahead(struct inode *inode, unsigned hsize, u32 index, + struct file_ra_state *f_ra) +{ + struct gfs2_inode *ip = GFS2_I(inode); + struct gfs2_glock *gl = ip->i_gl; + struct buffer_head *bh; + u64 blocknr = 0, last; + unsigned count; + + /* First check if we've already read-ahead for the whole range. */ + if (index + MAX_RA_BLOCKS < f_ra->start) + return; + + f_ra->start = max((pgoff_t)index, f_ra->start); + for (count = 0; count < MAX_RA_BLOCKS; count++) { + if (f_ra->start >= hsize) /* if exceeded the hash table */ + break; + + last = blocknr; + blocknr = be64_to_cpu(ip->i_hash_cache[f_ra->start]); + f_ra->start++; + if (blocknr == last) + continue; + + bh = gfs2_getbuf(gl, blocknr, 1); + if (trylock_buffer(bh)) { + if (buffer_uptodate(bh)) { + unlock_buffer(bh); + brelse(bh); + continue; + } + bh->b_end_io = end_buffer_read_sync; + submit_bh(READA | REQ_META, bh); + continue; + } + brelse(bh); + } +} /** * dir_e_read - Reads the entries from a directory into a filldir buffer @@ -1388,7 +1436,7 @@ out: */ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque, - filldir_t filldir) + filldir_t filldir, struct file_ra_state *f_ra) { struct gfs2_inode *dip = GFS2_I(inode); u32 hsize, len = 0; @@ -1402,10 +1450,14 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque, hash = gfs2_dir_offset2hash(*offset); index = hash >> (32 - dip->i_depth); + if (dip->i_hash_cache == NULL) + f_ra->start = 0; lp = gfs2_dir_get_hash_table(dip); if (IS_ERR(lp)) return PTR_ERR(lp); + gfs2_dir_readahead(inode, hsize, index, f_ra); + while (index < hsize) { error = gfs2_dir_read_leaf(inode, offset, opaque, filldir, &copied, &depth, @@ -1423,7 +1475,7 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque, } int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque, - filldir_t filldir) + filldir_t filldir, struct file_ra_state *f_ra) { struct gfs2_inode *dip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); @@ -1437,7 +1489,7 @@ int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque, return 0; if (dip->i_diskflags & GFS2_DIF_EXHASH) - return dir_e_read(inode, offset, opaque, filldir); + return dir_e_read(inode, offset, opaque, filldir, f_ra); if (!gfs2_is_stuffed(dip)) { gfs2_consist_inode(dip); @@ -1798,7 +1850,7 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len, if (!ht) return -ENOMEM; - if (!gfs2_alloc_get(dip)) { + if (!gfs2_qadata_get(dip)) { error = -ENOMEM; goto out; } @@ -1887,7 +1939,7 @@ out_rlist: gfs2_rlist_free(&rlist); gfs2_quota_unhold(dip); out_put: - gfs2_alloc_put(dip); + gfs2_qadata_put(dip); out: kfree(ht); return error; diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h index ff5772fbf024..98c960beab35 100644 --- a/fs/gfs2/dir.h +++ b/fs/gfs2/dir.h @@ -25,7 +25,7 @@ extern int gfs2_dir_add(struct inode *inode, const struct qstr *filename, const struct gfs2_inode *ip); extern int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry); extern int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque, - filldir_t filldir); + filldir_t filldir, struct file_ra_state *f_ra); extern int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename, const struct gfs2_inode *nip, unsigned int new_type); diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c index fe9945f2ff72..70ba891654f8 100644 --- a/fs/gfs2/export.c +++ b/fs/gfs2/export.c @@ -99,6 +99,7 @@ static int gfs2_get_name(struct dentry *parent, char *name, struct gfs2_holder gh; u64 offset = 0; int error; + struct file_ra_state f_ra = { .start = 0 }; if (!dir) return -EINVAL; @@ -118,7 +119,7 @@ static int gfs2_get_name(struct dentry *parent, char *name, if (error) return error; - error = gfs2_dir_read(dir, &offset, &gnfd, get_name_filldir); + error = gfs2_dir_read(dir, &offset, &gnfd, get_name_filldir, &f_ra); gfs2_glock_dq_uninit(&gh); diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index b8927d4f3bf2..c5fb3597f696 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -105,7 +105,7 @@ static int gfs2_readdir(struct file *file, void *dirent, filldir_t filldir) return error; } - error = gfs2_dir_read(dir, &offset, dirent, filldir); + error = gfs2_dir_read(dir, &offset, dirent, filldir, &file->f_ra); gfs2_glock_dq_uninit(&d_gh); @@ -365,7 +365,7 @@ 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_alloc *al; + struct gfs2_qadata *qa; loff_t size; int ret; @@ -393,16 +393,15 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) } ret = -ENOMEM; - al = gfs2_alloc_get(ip); - if (al == NULL) + qa = gfs2_qadata_get(ip); + if (qa == NULL) goto out_unlock; ret = gfs2_quota_lock_check(ip); if (ret) goto out_alloc_put; gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks); - al->al_requested = data_blocks + ind_blocks; - ret = gfs2_inplace_reserve(ip); + ret = gfs2_inplace_reserve(ip, data_blocks + ind_blocks); if (ret) goto out_quota_unlock; @@ -448,7 +447,7 @@ out_trans_fail: out_quota_unlock: gfs2_quota_unlock(ip); out_alloc_put: - gfs2_alloc_put(ip); + gfs2_qadata_put(ip); out_unlock: gfs2_glock_dq(&gh); out: @@ -609,7 +608,7 @@ static int gfs2_fsync(struct file *file, loff_t start, loff_t end, struct inode *inode = mapping->host; int sync_state = inode->i_state & (I_DIRTY_SYNC|I_DIRTY_DATASYNC); struct gfs2_inode *ip = GFS2_I(inode); - int ret, ret1 = 0; + int ret = 0, ret1 = 0; if (mapping->nrpages) { ret1 = filemap_fdatawrite_range(mapping, start, end); @@ -750,8 +749,10 @@ 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_alloc *al; + struct gfs2_qadata *qa; int error; + const loff_t pos = offset; + const loff_t count = len; loff_t bsize_mask = ~((loff_t)sdp->sd_sb.sb_bsize - 1); loff_t next = (offset + len - 1) >> sdp->sd_sb.sb_bsize_shift; loff_t max_chunk_size = UINT_MAX & bsize_mask; @@ -782,8 +783,8 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset, while (len > 0) { if (len < bytes) bytes = len; - al = gfs2_alloc_get(ip); - if (!al) { + qa = gfs2_qadata_get(ip); + if (!qa) { error = -ENOMEM; goto out_unlock; } @@ -795,8 +796,7 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset, retry: gfs2_write_calc_reserv(ip, bytes, &data_blocks, &ind_blocks); - al->al_requested = data_blocks + ind_blocks; - error = gfs2_inplace_reserve(ip); + error = gfs2_inplace_reserve(ip, data_blocks + ind_blocks); if (error) { if (error == -ENOSPC && bytes > sdp->sd_sb.sb_bsize) { bytes >>= 1; @@ -810,7 +810,6 @@ retry: max_bytes = bytes; calc_max_reserv(ip, (len > max_chunk_size)? max_chunk_size: len, &max_bytes, &data_blocks, &ind_blocks); - al->al_requested = data_blocks + ind_blocks; rblocks = RES_DINODE + ind_blocks + RES_STATFS + RES_QUOTA + RES_RG_HDR + gfs2_rg_blocks(ip); @@ -832,8 +831,11 @@ retry: offset += max_bytes; gfs2_inplace_release(ip); gfs2_quota_unlock(ip); - gfs2_alloc_put(ip); + gfs2_qadata_put(ip); } + + if (error == 0) + error = generic_write_sync(file, pos, count); goto out_unlock; out_trans_fail: @@ -841,7 +843,7 @@ out_trans_fail: out_qunlock: gfs2_quota_unlock(ip); out_alloc_put: - gfs2_alloc_put(ip); + gfs2_qadata_put(ip); out_unlock: gfs2_glock_dq(&ip->i_gh); out_uninit: diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 7389dfdcc9ef..e1d3bb59945c 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -244,17 +244,16 @@ struct gfs2_glock { #define GFS2_MIN_LVB_SIZE 32 /* Min size of LVB that gfs2 supports */ -struct gfs2_alloc { +struct gfs2_qadata { /* quota allocation data */ /* Quota stuff */ - struct gfs2_quota_data *al_qd[2*MAXQUOTAS]; - struct gfs2_holder al_qd_ghs[2*MAXQUOTAS]; - unsigned int al_qd_num; - - u32 al_requested; /* Filled in by caller of gfs2_inplace_reserve() */ - u32 al_alloced; /* Filled in by gfs2_alloc_*() */ + struct gfs2_quota_data *qa_qd[2*MAXQUOTAS]; + struct gfs2_holder qa_qd_ghs[2*MAXQUOTAS]; + unsigned int qa_qd_num; +}; - /* Filled in by gfs2_inplace_reserve() */ - struct gfs2_holder al_rgd_gh; +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() */ }; enum { @@ -275,7 +274,8 @@ 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_alloc *i_alloc; + 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 */ struct rw_semaphore i_rw_mutex; diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 4b0e59e0a249..017960cf1d7a 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -389,12 +389,13 @@ static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation) { struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); int error; + int dblocks = 1; - if (gfs2_alloc_get(dip) == NULL) - return -ENOMEM; + error = gfs2_rindex_update(sdp); + if (error) + fs_warn(sdp, "rindex update returns %d\n", error); - dip->i_alloc->al_requested = RES_DINODE; - error = gfs2_inplace_reserve(dip); + error = gfs2_inplace_reserve(dip, RES_DINODE); if (error) goto out; @@ -402,14 +403,13 @@ static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation) if (error) goto out_ipreserv; - error = gfs2_alloc_di(dip, no_addr, generation); + error = gfs2_alloc_blocks(dip, no_addr, &dblocks, 1, generation); gfs2_trans_end(sdp); out_ipreserv: gfs2_inplace_release(dip); out: - gfs2_alloc_put(dip); return error; } @@ -525,7 +525,7 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, int error; munge_mode_uid_gid(dip, &mode, &uid, &gid); - if (!gfs2_alloc_get(dip)) + if (!gfs2_qadata_get(dip)) return -ENOMEM; error = gfs2_quota_lock(dip, uid, gid); @@ -547,7 +547,7 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, out_quota: gfs2_quota_unlock(dip); out: - gfs2_alloc_put(dip); + gfs2_qadata_put(dip); return error; } @@ -555,13 +555,13 @@ 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_alloc *al; + struct gfs2_qadata *qa; int alloc_required; struct buffer_head *dibh; int error; - al = gfs2_alloc_get(dip); - if (!al) + qa = gfs2_qadata_get(dip); + if (!qa) return -ENOMEM; error = gfs2_quota_lock(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); @@ -576,9 +576,7 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, if (error) goto fail_quota_locks; - al->al_requested = sdp->sd_max_dirres; - - error = gfs2_inplace_reserve(dip); + error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres); if (error) goto fail_quota_locks; @@ -619,11 +617,11 @@ fail_quota_locks: gfs2_quota_unlock(dip); fail: - gfs2_alloc_put(dip); + gfs2_qadata_put(dip); return error; } -int gfs2_initxattrs(struct inode *inode, const struct xattr *xattr_array, +static int gfs2_initxattrs(struct inode *inode, const struct xattr *xattr_array, void *fs_info) { const struct xattr *xattr; @@ -728,9 +726,12 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, brelse(bh); gfs2_trans_end(sdp); - gfs2_inplace_release(dip); + /* Check if we reserved space in the rgrp. Function link_dinode may + not, depending on whether alloc is required. */ + if (dip->i_res) + gfs2_inplace_release(dip); gfs2_quota_unlock(dip); - gfs2_alloc_put(dip); + gfs2_qadata_put(dip); mark_inode_dirty(inode); gfs2_glock_dq_uninit_m(2, ghs); d_instantiate(dentry, inode); @@ -875,8 +876,9 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, error = 0; if (alloc_required) { - struct gfs2_alloc *al = gfs2_alloc_get(dip); - if (!al) { + struct gfs2_qadata *qa = gfs2_qadata_get(dip); + + if (!qa) { error = -ENOMEM; goto out_gunlock; } @@ -885,9 +887,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, if (error) goto out_alloc; - al->al_requested = sdp->sd_max_dirres; - - error = gfs2_inplace_reserve(dip); + error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres); if (error) goto out_gunlock_q; @@ -930,7 +930,7 @@ out_gunlock_q: gfs2_quota_unlock(dip); out_alloc: if (alloc_required) - gfs2_alloc_put(dip); + gfs2_qadata_put(dip); out_gunlock: gfs2_glock_dq(ghs + 1); out_child: @@ -1037,12 +1037,14 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry) struct buffer_head *bh; struct gfs2_holder ghs[3]; struct gfs2_rgrpd *rgd; - int error; + int error = -EROFS; gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs); gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + 1); rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr); + if (!rgd) + goto out_inodes; gfs2_holder_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, ghs + 2); @@ -1088,12 +1090,13 @@ out_end_trans: out_gunlock: gfs2_glock_dq(ghs + 2); out_rgrp: - gfs2_holder_uninit(ghs + 2); gfs2_glock_dq(ghs + 1); out_child: - gfs2_holder_uninit(ghs + 1); gfs2_glock_dq(ghs); out_parent: + gfs2_holder_uninit(ghs + 2); +out_inodes: + gfs2_holder_uninit(ghs + 1); gfs2_holder_uninit(ghs); return error; } @@ -1350,8 +1353,9 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, error = 0; if (alloc_required) { - struct gfs2_alloc *al = gfs2_alloc_get(ndip); - if (!al) { + struct gfs2_qadata *qa = gfs2_qadata_get(ndip); + + if (!qa) { error = -ENOMEM; goto out_gunlock; } @@ -1360,9 +1364,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, if (error) goto out_alloc; - al->al_requested = sdp->sd_max_dirres; - - error = gfs2_inplace_reserve(ndip); + error = gfs2_inplace_reserve(ndip, sdp->sd_max_dirres); if (error) goto out_gunlock_q; @@ -1423,7 +1425,7 @@ out_gunlock_q: gfs2_quota_unlock(ndip); out_alloc: if (alloc_required) - gfs2_alloc_put(ndip); + gfs2_qadata_put(ndip); out_gunlock: while (x--) { gfs2_glock_dq(ghs + x); @@ -1584,7 +1586,7 @@ 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_alloc_get(ip)) + if (!gfs2_qadata_get(ip)) return -ENOMEM; error = gfs2_quota_lock(ip, nuid, ngid); @@ -1616,7 +1618,7 @@ out_end_trans: out_gunlock_q: gfs2_quota_unlock(ip); out_alloc: - gfs2_alloc_put(ip); + gfs2_qadata_put(ip); return error; } diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 598646434362..2731e657cf7f 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -626,7 +626,7 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags, int pull) if (test_bit(SDF_NOBARRIERS, &sdp->sd_flags)) submit_bh(WRITE_SYNC | REQ_META | REQ_PRIO, bh); else - submit_bh(WRITE_FLUSH_FUA | REQ_META | REQ_PRIO, bh); + submit_bh(WRITE_FLUSH_FUA | REQ_META, bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index 8a139ff1919f..c150298e2d8e 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -40,7 +40,8 @@ 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_alloc = NULL; + ip->i_qadata = NULL; + ip->i_res = NULL; ip->i_hash_cache = NULL; } diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index be29858900f6..181586e673f9 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -435,7 +435,7 @@ struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen) if (buffer_uptodate(first_bh)) goto out; if (!buffer_locked(first_bh)) - ll_rw_block(READ_SYNC | REQ_META | REQ_PRIO, 1, &first_bh); + ll_rw_block(READ_SYNC | REQ_META, 1, &first_bh); dblock++; extlen--; @@ -444,7 +444,7 @@ struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen) bh = gfs2_getbuf(gl, dblock, CREATE); if (!buffer_uptodate(bh) && !buffer_locked(bh)) - ll_rw_block(READA, 1, &bh); + ll_rw_block(READA | REQ_META, 1, &bh); brelse(bh); dblock++; extlen--; diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index cb23c2be731a..fe72e79e6ff9 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -224,7 +224,7 @@ static int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector, int silent) bio->bi_end_io = end_bio_io_page; bio->bi_private = page; - submit_bio(READ_SYNC | REQ_META | REQ_PRIO, bio); + submit_bio(READ_SYNC | REQ_META, bio); wait_on_page_locked(page); bio_put(bio); if (!PageUptodate(page)) { diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 7e528dc14f85..98a01db1f6dc 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -494,11 +494,11 @@ 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_alloc *al = ip->i_alloc; - struct gfs2_quota_data **qd = al->al_qd; + struct gfs2_qadata *qa = ip->i_qadata; + struct gfs2_quota_data **qd = qa->qa_qd; int error; - if (gfs2_assert_warn(sdp, !al->al_qd_num) || + if (gfs2_assert_warn(sdp, !qa->qa_qd_num) || gfs2_assert_warn(sdp, !test_bit(GIF_QD_LOCKED, &ip->i_flags))) return -EIO; @@ -508,20 +508,20 @@ 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; - al->al_qd_num++; + qa->qa_qd_num++; qd++; error = qdsb_get(sdp, QUOTA_GROUP, ip->i_inode.i_gid, qd); if (error) goto out; - al->al_qd_num++; + qa->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; - al->al_qd_num++; + qa->qa_qd_num++; qd++; } @@ -529,7 +529,7 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid) error = qdsb_get(sdp, QUOTA_GROUP, gid, qd); if (error) goto out; - al->al_qd_num++; + qa->qa_qd_num++; qd++; } @@ -542,16 +542,16 @@ out: void gfs2_quota_unhold(struct gfs2_inode *ip) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - struct gfs2_alloc *al = ip->i_alloc; + struct gfs2_qadata *qa = ip->i_qadata; unsigned int x; gfs2_assert_warn(sdp, !test_bit(GIF_QD_LOCKED, &ip->i_flags)); - for (x = 0; x < al->al_qd_num; x++) { - qdsb_put(al->al_qd[x]); - al->al_qd[x] = NULL; + for (x = 0; x < qa->qa_qd_num; x++) { + qdsb_put(qa->qa_qd[x]); + qa->qa_qd[x] = NULL; } - al->al_qd_num = 0; + qa->qa_qd_num = 0; } static int sort_qd(const void *a, const void *b) @@ -712,7 +712,7 @@ get_a_page: set_buffer_uptodate(bh); if (!buffer_uptodate(bh)) { - ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &bh); + ll_rw_block(READ | REQ_META, 1, &bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) goto unlock_out; @@ -762,7 +762,6 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda) struct gfs2_quota_data *qd; loff_t offset; unsigned int nalloc = 0, blocks; - struct gfs2_alloc *al = NULL; int error; gfs2_write_calc_reserv(ip, sizeof(struct gfs2_quota), @@ -792,26 +791,19 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda) nalloc++; } - al = gfs2_alloc_get(ip); - if (!al) { - error = -ENOMEM; - goto out_gunlock; - } /* * 1 blk for unstuffing inode if stuffed. We add this extra * block to the reservation unconditionally. If the inode * doesn't need unstuffing, the block will be released to the * rgrp since it won't be allocated during the transaction */ |