X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fgfs2%2Finode.c;h=db5961a9aa59fa54ebba202a08742aaf482e96a1;hb=ca390601a8bbb4ab8301a9469d23cdb1cf77e7cb;hp=5f6dc32946cd09c795ef5bf7226e6aadfe4942e8;hpb=541010e4b8921cd781ff02ae68028501457045b6;p=linux-2.6 diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 5f6dc32946..db5961a9aa 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -1,6 +1,6 @@ /* * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. + * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. * * This copyrighted material is made available to anyone wishing to use, * modify, copy, or redistribute it subject to the terms and conditions @@ -31,7 +31,6 @@ #include "log.h" #include "meta_io.h" #include "ops_address.h" -#include "ops_file.h" #include "ops_inode.h" #include "quota.h" #include "rgrp.h" @@ -132,15 +131,21 @@ static struct inode *gfs2_iget_skip(struct super_block *sb, void gfs2_set_iop(struct inode *inode) { + struct gfs2_sbd *sdp = GFS2_SB(inode); umode_t mode = inode->i_mode; if (S_ISREG(mode)) { inode->i_op = &gfs2_file_iops; - inode->i_fop = &gfs2_file_fops; - inode->i_mapping->a_ops = &gfs2_file_aops; + if (sdp->sd_args.ar_localflocks) + inode->i_fop = &gfs2_file_fops_nolock; + else + inode->i_fop = &gfs2_file_fops; } else if (S_ISDIR(mode)) { inode->i_op = &gfs2_dir_iops; - inode->i_fop = &gfs2_dir_fops; + if (sdp->sd_args.ar_localflocks) + inode->i_fop = &gfs2_dir_fops_nolock; + else + inode->i_fop = &gfs2_dir_fops; } else if (S_ISLNK(mode)) { inode->i_op = &gfs2_symlink_iops; } else { @@ -235,7 +240,7 @@ fail_put: ip->i_gl->gl_object = NULL; gfs2_glock_put(ip->i_gl); fail: - iput(inode); + iget_failed(inode); return ERR_PTR(error); } @@ -243,12 +248,10 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) { struct gfs2_dinode_host *di = &ip->i_di; const struct gfs2_dinode *str = buf; + u16 height; - if (ip->i_no_addr != be64_to_cpu(str->di_num.no_addr)) { - if (gfs2_consist_inode(ip)) - gfs2_dinode_print(ip); - return -EIO; - } + if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr))) + goto corrupt; ip->i_no_formal_ino = be64_to_cpu(str->di_num.no_formal_ino); ip->i_inode.i_mode = be32_to_cpu(str->di_mode); ip->i_inode.i_rdev = 0; @@ -285,18 +288,23 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) di->di_flags = be32_to_cpu(str->di_flags); gfs2_set_inode_flags(&ip->i_inode); - di->di_height = be16_to_cpu(str->di_height); + height = be16_to_cpu(str->di_height); + if (unlikely(height > GFS2_MAX_META_HEIGHT)) + goto corrupt; + ip->i_height = (u8)height; di->di_depth = be16_to_cpu(str->di_depth); di->di_entries = be32_to_cpu(str->di_entries); di->di_eattr = be64_to_cpu(str->di_eattr); - return 0; -} + if (S_ISREG(ip->i_inode.i_mode)) + gfs2_set_aops(&ip->i_inode); -static void gfs2_inode_bh(struct gfs2_inode *ip, struct buffer_head *bh) -{ - ip->i_cache[0] = bh; + return 0; +corrupt: + if (gfs2_consist_inode(ip)) + gfs2_dinode_print(ip); + return -EIO; } /** @@ -366,7 +374,8 @@ int gfs2_dinode_dealloc(struct gfs2_inode *ip) if (error) goto out_rg_gunlock; - gfs2_trans_add_gl(ip->i_gl); + set_bit(GLF_DIRTY, &ip->i_gl->gl_flags); + set_bit(GLF_LFLUSH, &ip->i_gl->gl_flags); gfs2_free_di(rgd, ip); @@ -707,9 +716,10 @@ static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation) struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); int error; - gfs2_alloc_get(dip); + if (gfs2_alloc_get(dip) == NULL) + return -ENOMEM; - dip->i_alloc.al_requested = RES_DINODE; + dip->i_alloc->al_requested = RES_DINODE; error = gfs2_inplace_reserve(dip); if (error) goto out; @@ -855,7 +865,7 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, error = alloc_required = gfs2_diradd_alloc_required(&dip->i_inode, name); if (alloc_required < 0) - goto fail; + goto fail_quota_locks; if (alloc_required) { error = gfs2_quota_check(dip, dip->i_inode.i_uid, dip->i_inode.i_gid); if (error) @@ -896,7 +906,7 @@ fail_end_trans: gfs2_trans_end(sdp); fail_ipreserv: - if (dip->i_alloc.al_rgd) + if (dip->i_alloc->al_rgd) gfs2_inplace_release(dip); fail_quota_locks: @@ -966,7 +976,7 @@ struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, struct gfs2_inum_host inum = { .no_addr = 0, .no_formal_ino = 0 }; int error; u64 generation; - struct buffer_head *bh=NULL; + struct buffer_head *bh = NULL; if (!name->len || name->len > GFS2_FNAMESIZE) return ERR_PTR(-ENAMETOOLONG); @@ -1003,8 +1013,6 @@ struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, if (IS_ERR(inode)) goto fail_gunlock2; - gfs2_inode_bh(GFS2_I(inode), bh); - error = gfs2_inode_refresh(GFS2_I(inode)); if (error) goto fail_gunlock2; @@ -1021,6 +1029,8 @@ struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, if (error) goto fail_gunlock2; + if (bh) + brelse(bh); if (!inode) return ERR_PTR(-ENOMEM); return inode; @@ -1032,6 +1042,8 @@ fail_gunlock2: fail_gunlock: gfs2_glock_dq(ghs); fail: + if (bh) + brelse(bh); return ERR_PTR(error); } @@ -1394,7 +1406,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) str->di_generation = cpu_to_be64(di->di_generation); str->di_flags = cpu_to_be32(di->di_flags); - str->di_height = cpu_to_be16(di->di_height); + str->di_height = cpu_to_be16(ip->i_height); str->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) && !(ip->i_di.di_flags & GFS2_DIF_EXHASH) ? GFS2_FORMAT_DE : 0); @@ -1423,7 +1435,7 @@ void gfs2_dinode_print(const struct gfs2_inode *ip) printk(KERN_INFO " di_goal_data = %llu\n", (unsigned long long)di->di_goal_data); printk(KERN_INFO " di_flags = 0x%.8X\n", di->di_flags); - printk(KERN_INFO " di_height = %u\n", di->di_height); + printk(KERN_INFO " i_height = %u\n", ip->i_height); printk(KERN_INFO " di_depth = %u\n", di->di_depth); printk(KERN_INFO " di_entries = %u\n", di->di_entries); printk(KERN_INFO " di_eattr = %llu\n",