X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fjfs%2Fjfs_imap.c;h=ccbe60aff83de64edddc27381e020c83240adb1b;hb=55d8ca4f8094246da6e71889a4e04bfafaa78b10;hp=4021d46da7e3f0e2dc86dab69282e80650873fd9;hpb=1703ecc7e88ea2d583fc9ebe7de8edb004eff863;p=linux-2.6-omap-h63xx.git diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index 4021d46da7e..ccbe60aff83 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -56,18 +56,24 @@ #include "jfs_superblock.h" #include "jfs_debug.h" +/* + * __mark_inode_dirty expects inodes to be hashed. Since we don't want + * special inodes in the fileset inode space, we hash them to a dummy head + */ +static HLIST_HEAD(aggregate_hash); + /* * imap locks */ /* iag free list lock */ -#define IAGFREE_LOCK_INIT(imap) init_MUTEX(&imap->im_freelock) -#define IAGFREE_LOCK(imap) down(&imap->im_freelock) -#define IAGFREE_UNLOCK(imap) up(&imap->im_freelock) +#define IAGFREE_LOCK_INIT(imap) mutex_init(&imap->im_freelock) +#define IAGFREE_LOCK(imap) mutex_lock(&imap->im_freelock) +#define IAGFREE_UNLOCK(imap) mutex_unlock(&imap->im_freelock) /* per ag iag list locks */ -#define AG_LOCK_INIT(imap,index) init_MUTEX(&(imap->im_aglock[index])) -#define AG_LOCK(imap,agno) down(&imap->im_aglock[agno]) -#define AG_UNLOCK(imap,agno) up(&imap->im_aglock[agno]) +#define AG_LOCK_INIT(imap,index) mutex_init(&(imap->im_aglock[index])) +#define AG_LOCK(imap,agno) mutex_lock(&imap->im_aglock[agno]) +#define AG_UNLOCK(imap,agno) mutex_unlock(&imap->im_aglock[agno]) /* * forward references @@ -259,8 +265,7 @@ int diSync(struct inode *ipimap) /* * write out dirty pages of imap */ - filemap_fdatawrite(ipimap->i_mapping); - filemap_fdatawait(ipimap->i_mapping); + filemap_write_and_wait(ipimap->i_mapping); diWriteSpecial(ipimap, 0); @@ -491,6 +496,8 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary) /* release the page */ release_metapage(mp); + hlist_add_head(&ip->i_hash, &aggregate_hash); + return (ip); } @@ -514,8 +521,6 @@ void diWriteSpecial(struct inode *ip, int secondary) ino_t inum = ip->i_ino; struct metapage *mp; - ip->i_state &= ~I_DIRTY; - if (secondary) address = addressPXD(&sbi->ait2) >> sbi->l2nbperpage; else @@ -559,8 +564,7 @@ void diFreeSpecial(struct inode *ip) jfs_err("diFreeSpecial called with NULL ip!"); return; } - filemap_fdatawrite(ip->i_mapping); - filemap_fdatawait(ip->i_mapping); + filemap_write_and_wait(ip->i_mapping); truncate_inode_pages(ip->i_mapping, 0); iput(ip); } @@ -1257,7 +1261,7 @@ int diFree(struct inode *ip) * to be freed by the transaction; */ tid = txBegin(ipimap->i_sb, COMMIT_FORCE); - down(&JFS_IP(ipimap)->commit_sem); + mutex_lock(&JFS_IP(ipimap)->commit_mutex); /* acquire tlock of the iag page of the freed ixad * to force the page NOHOMEOK (even though no data is @@ -1290,7 +1294,7 @@ int diFree(struct inode *ip) rc = txCommit(tid, 1, &iplist[0], COMMIT_FORCE); txEnd(tid); - up(&JFS_IP(ipimap)->commit_sem); + mutex_unlock(&JFS_IP(ipimap)->commit_mutex); /* unlock the AG inode map information */ AG_UNLOCK(imap, agno); @@ -2550,13 +2554,13 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp) * addressing structure pointing to the new iag page; */ tid = txBegin(sb, COMMIT_FORCE); - down(&JFS_IP(ipimap)->commit_sem); + mutex_lock(&JFS_IP(ipimap)->commit_mutex); /* update the inode map addressing structure to point to it */ if ((rc = xtInsert(tid, ipimap, 0, blkno, xlen, &xaddr, 0))) { txEnd(tid); - up(&JFS_IP(ipimap)->commit_sem); + mutex_unlock(&JFS_IP(ipimap)->commit_mutex); /* Free the blocks allocated for the iag since it was * not successfully added to the inode map */ @@ -2622,7 +2626,7 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp) rc = txCommit(tid, 1, &iplist[0], COMMIT_FORCE); txEnd(tid); - up(&JFS_IP(ipimap)->commit_sem); + mutex_unlock(&JFS_IP(ipimap)->commit_mutex); duplicateIXtree(sb, blkno, xlen, &xaddr); @@ -2840,11 +2844,11 @@ diUpdatePMap(struct inode *ipimap, */ lsn = tblk->lsn; log = JFS_SBI(tblk->sb)->log; + LOGSYNC_LOCK(log, flags); if (mp->lsn != 0) { /* inherit older/smaller lsn */ logdiff(difft, lsn, log); logdiff(diffp, mp->lsn, log); - LOGSYNC_LOCK(log, flags); if (difft < diffp) { mp->lsn = lsn; /* move mp after tblock in logsync list */ @@ -2856,17 +2860,15 @@ diUpdatePMap(struct inode *ipimap, logdiff(diffp, mp->clsn, log); if (difft > diffp) mp->clsn = tblk->clsn; - LOGSYNC_UNLOCK(log, flags); } else { mp->log = log; mp->lsn = lsn; /* insert mp after tblock in logsync list */ - LOGSYNC_LOCK(log, flags); log->count++; list_add(&mp->synclist, &tblk->synclist); mp->clsn = tblk->clsn; - LOGSYNC_UNLOCK(log, flags); } + LOGSYNC_UNLOCK(log, flags); write_metapage(mp); return (0); } @@ -3072,14 +3074,40 @@ static void duplicateIXtree(struct super_block *sb, s64 blkno, static int copy_from_dinode(struct dinode * dip, struct inode *ip) { struct jfs_inode_info *jfs_ip = JFS_IP(ip); + struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb); jfs_ip->fileset = le32_to_cpu(dip->di_fileset); jfs_ip->mode2 = le32_to_cpu(dip->di_mode); ip->i_mode = le32_to_cpu(dip->di_mode) & 0xffff; + if (sbi->umask != -1) { + ip->i_mode = (ip->i_mode & ~0777) | (0777 & ~sbi->umask); + /* For directories, add x permission if r is allowed by umask */ + if (S_ISDIR(ip->i_mode)) { + if (ip->i_mode & 0400) + ip->i_mode |= 0100; + if (ip->i_mode & 0040) + ip->i_mode |= 0010; + if (ip->i_mode & 0004) + ip->i_mode |= 0001; + } + } ip->i_nlink = le32_to_cpu(dip->di_nlink); - ip->i_uid = le32_to_cpu(dip->di_uid); - ip->i_gid = le32_to_cpu(dip->di_gid); + + jfs_ip->saved_uid = le32_to_cpu(dip->di_uid); + if (sbi->uid == -1) + ip->i_uid = jfs_ip->saved_uid; + else { + ip->i_uid = sbi->uid; + } + + jfs_ip->saved_gid = le32_to_cpu(dip->di_gid); + if (sbi->gid == -1) + ip->i_gid = jfs_ip->saved_gid; + else { + ip->i_gid = sbi->gid; + } + ip->i_size = le64_to_cpu(dip->di_size); ip->i_atime.tv_sec = le32_to_cpu(dip->di_atime.tv_sec); ip->i_atime.tv_nsec = le32_to_cpu(dip->di_atime.tv_nsec); @@ -3130,21 +3158,33 @@ static int copy_from_dinode(struct dinode * dip, struct inode *ip) static void copy_to_dinode(struct dinode * dip, struct inode *ip) { struct jfs_inode_info *jfs_ip = JFS_IP(ip); + struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb); dip->di_fileset = cpu_to_le32(jfs_ip->fileset); - dip->di_inostamp = cpu_to_le32(JFS_SBI(ip->i_sb)->inostamp); + dip->di_inostamp = cpu_to_le32(sbi->inostamp); dip->di_number = cpu_to_le32(ip->i_ino); dip->di_gen = cpu_to_le32(ip->i_generation); dip->di_size = cpu_to_le64(ip->i_size); dip->di_nblocks = cpu_to_le64(PBLK2LBLK(ip->i_sb, ip->i_blocks)); dip->di_nlink = cpu_to_le32(ip->i_nlink); - dip->di_uid = cpu_to_le32(ip->i_uid); - dip->di_gid = cpu_to_le32(ip->i_gid); + if (sbi->uid == -1) + dip->di_uid = cpu_to_le32(ip->i_uid); + else + dip->di_uid = cpu_to_le32(jfs_ip->saved_uid); + if (sbi->gid == -1) + dip->di_gid = cpu_to_le32(ip->i_gid); + else + dip->di_gid = cpu_to_le32(jfs_ip->saved_gid); /* * mode2 is only needed for storing the higher order bits. * Trust i_mode for the lower order ones */ - dip->di_mode = cpu_to_le32((jfs_ip->mode2 & 0xffff0000) | ip->i_mode); + if (sbi->umask == -1) + dip->di_mode = cpu_to_le32((jfs_ip->mode2 & 0xffff0000) | + ip->i_mode); + else /* Leave the original permissions alone */ + dip->di_mode = cpu_to_le32(jfs_ip->mode2); + dip->di_atime.tv_sec = cpu_to_le32(ip->i_atime.tv_sec); dip->di_atime.tv_nsec = cpu_to_le32(ip->i_atime.tv_nsec); dip->di_ctime.tv_sec = cpu_to_le32(ip->i_ctime.tv_sec);