diff options
Diffstat (limited to 'fs/jfs/jfs_imap.c')
| -rw-r--r-- | fs/jfs/jfs_imap.c | 458 |
1 files changed, 216 insertions, 242 deletions
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index c6530227cda..f321986e73d 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -45,6 +45,7 @@ #include <linux/buffer_head.h> #include <linux/pagemap.h> #include <linux/quotaops.h> +#include <linux/slab.h> #include "jfs_incore.h" #include "jfs_inode.h" @@ -57,12 +58,6 @@ #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 */ @@ -93,21 +88,21 @@ static int copy_from_dinode(struct dinode *, struct inode *); static void copy_to_dinode(struct dinode *, struct inode *); /* - * NAME: diMount() + * NAME: diMount() * - * FUNCTION: initialize the incore inode map control structures for + * FUNCTION: initialize the incore inode map control structures for * a fileset or aggregate init time. * - * the inode map's control structure (dinomap) is - * brought in from disk and placed in virtual memory. + * the inode map's control structure (dinomap) is + * brought in from disk and placed in virtual memory. * * PARAMETERS: - * ipimap - pointer to inode map inode for the aggregate or fileset. + * ipimap - pointer to inode map inode for the aggregate or fileset. * * RETURN VALUES: - * 0 - success - * -ENOMEM - insufficient free virtual memory. - * -EIO - i/o error. + * 0 - success + * -ENOMEM - insufficient free virtual memory. + * -EIO - i/o error. */ int diMount(struct inode *ipimap) { @@ -180,18 +175,18 @@ int diMount(struct inode *ipimap) /* - * NAME: diUnmount() + * NAME: diUnmount() * - * FUNCTION: write to disk the incore inode map control structures for + * FUNCTION: write to disk the incore inode map control structures for * a fileset or aggregate at unmount time. * * PARAMETERS: - * ipimap - pointer to inode map inode for the aggregate or fileset. + * ipimap - pointer to inode map inode for the aggregate or fileset. * * RETURN VALUES: - * 0 - success - * -ENOMEM - insufficient free virtual memory. - * -EIO - i/o error. + * 0 - success + * -ENOMEM - insufficient free virtual memory. + * -EIO - i/o error. */ int diUnmount(struct inode *ipimap, int mounterror) { @@ -274,9 +269,9 @@ int diSync(struct inode *ipimap) /* - * NAME: diRead() + * NAME: diRead() * - * FUNCTION: initialize an incore inode from disk. + * FUNCTION: initialize an incore inode from disk. * * on entry, the specifed incore inode should itself * specify the disk inode number corresponding to the @@ -285,7 +280,7 @@ int diSync(struct inode *ipimap) * this routine handles incore inode initialization for * both "special" and "regular" inodes. special inodes * are those required early in the mount process and - * require special handling since much of the file system + * require special handling since much of the file system * is not yet initialized. these "special" inodes are * identified by a NULL inode map inode pointer and are * actually initialized by a call to diReadSpecial(). @@ -298,12 +293,12 @@ int diSync(struct inode *ipimap) * incore inode. * * PARAMETERS: - * ip - pointer to incore inode to be initialized from disk. + * ip - pointer to incore inode to be initialized from disk. * * RETURN VALUES: - * 0 - success - * -EIO - i/o error. - * -ENOMEM - insufficient memory + * 0 - success + * -EIO - i/o error. + * -ENOMEM - insufficient memory * */ int diRead(struct inode *ip) @@ -381,7 +376,7 @@ int diRead(struct inode *ip) /* read the page of disk inode */ mp = read_metapage(ipimap, pageno << sbi->l2nbperpage, PSIZE, 1); - if (mp == 0) { + if (!mp) { jfs_err("diRead: read_metapage failed"); return -EIO; } @@ -391,7 +386,7 @@ int diRead(struct inode *ip) dp += rel_inode; if (ip->i_ino != le32_to_cpu(dp->di_number)) { - jfs_error(ip->i_sb, "diRead: i_ino != di_number"); + jfs_error(ip->i_sb, "i_ino != di_number\n"); rc = -EIO; } else if (le32_to_cpu(dp->di_nlink) == 0) rc = -ESTALE; @@ -402,7 +397,7 @@ int diRead(struct inode *ip) release_metapage(mp); /* set the ag for the inode */ - JFS_IP(ip)->agno = BLKTOAG(agstart, sbi); + JFS_IP(ip)->agstart = agstart; JFS_IP(ip)->active_ag = -1; return (rc); @@ -410,26 +405,26 @@ int diRead(struct inode *ip) /* - * NAME: diReadSpecial() + * NAME: diReadSpecial() * - * FUNCTION: initialize a 'special' inode from disk. + * FUNCTION: initialize a 'special' inode from disk. * * this routines handles aggregate level inodes. The * inode cache cannot differentiate between the * aggregate inodes and the filesystem inodes, so we * handle these here. We don't actually use the aggregate - * inode map, since these inodes are at a fixed location + * inode map, since these inodes are at a fixed location * and in some cases the aggregate inode map isn't initialized * yet. * * PARAMETERS: - * sb - filesystem superblock + * sb - filesystem superblock * inum - aggregate inode number * secondary - 1 if secondary aggregate inode table * * RETURN VALUES: - * new inode - success - * NULL - i/o error. + * new inode - success + * NULL - i/o error. */ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary) { @@ -462,7 +457,7 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary) /* read the page of fixed disk inode (AIT) in raw mode */ mp = read_metapage(ip, address << sbi->l2nbperpage, PSIZE, 1); if (mp == NULL) { - ip->i_nlink = 1; /* Don't want iput() deleting it */ + set_nlink(ip, 1); /* Don't want iput() deleting it */ iput(ip); return (NULL); } @@ -474,7 +469,7 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary) /* copy on-disk inode to in-memory inode */ if ((copy_from_dinode(dp, ip)) != 0) { /* handle bad return by returning NULL for ip */ - ip->i_nlink = 1; /* Don't want iput() deleting it */ + set_nlink(ip, 1); /* Don't want iput() deleting it */ iput(ip); /* release the page */ release_metapage(mp); @@ -496,18 +491,24 @@ 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); + /* + * __mark_inode_dirty expects inodes to be hashed. Since we don't + * want special inodes in the fileset inode space, we make them + * appear hashed, but do not put on any lists. hlist_del() + * will work fine and require no locking. + */ + hlist_add_fake(&ip->i_hash); return (ip); } /* - * NAME: diWriteSpecial() + * NAME: diWriteSpecial() * - * FUNCTION: Write the special inode to disk + * FUNCTION: Write the special inode to disk * * PARAMETERS: - * ip - special inode + * ip - special inode * secondary - 1 if secondary aggregate inode table * * RETURN VALUES: none @@ -554,9 +555,9 @@ void diWriteSpecial(struct inode *ip, int secondary) } /* - * NAME: diFreeSpecial() + * NAME: diFreeSpecial() * - * FUNCTION: Free allocated space for special inode + * FUNCTION: Free allocated space for special inode */ void diFreeSpecial(struct inode *ip) { @@ -572,9 +573,9 @@ void diFreeSpecial(struct inode *ip) /* - * NAME: diWrite() + * NAME: diWrite() * - * FUNCTION: write the on-disk inode portion of the in-memory inode + * FUNCTION: write the on-disk inode portion of the in-memory inode * to its corresponding on-disk inode. * * on entry, the specifed incore inode should itself @@ -589,11 +590,11 @@ void diFreeSpecial(struct inode *ip) * * PARAMETERS: * tid - transacation id - * ip - pointer to incore inode to be written to the inode extent. + * ip - pointer to incore inode to be written to the inode extent. * * RETURN VALUES: - * 0 - success - * -EIO - i/o error. + * 0 - success + * -EIO - i/o error. */ int diWrite(tid_t tid, struct inode *ip) { @@ -624,7 +625,7 @@ int diWrite(tid_t tid, struct inode *ip) if (!addressPXD(&(jfs_ip->ixpxd)) || (lengthPXD(&(jfs_ip->ixpxd)) != JFS_IP(ipimap)->i_imap->im_nbperiext)) { - jfs_error(ip->i_sb, "diWrite: ixpxd invalid"); + jfs_error(ip->i_sb, "ixpxd invalid\n"); return -EIO; } @@ -654,7 +655,7 @@ int diWrite(tid_t tid, struct inode *ip) /* read the page of disk inode */ retry: mp = read_metapage(ipimap, pageno << sbi->l2nbperpage, PSIZE, 1); - if (mp == 0) + if (!mp) return -EIO; /* get the pointer to the disk inode */ @@ -730,7 +731,7 @@ int diWrite(tid_t tid, struct inode *ip) ilinelock = (struct linelock *) & tlck->lock; /* - * regular file: 16 byte (XAD slot) granularity + * regular file: 16 byte (XAD slot) granularity */ if (type & tlckXTREE) { xtpage_t *p, *xp; @@ -755,7 +756,7 @@ int diWrite(tid_t tid, struct inode *ip) xad->flag &= ~(XAD_NEW | XAD_EXTENDED); } /* - * directory: 32 byte (directory entry slot) granularity + * directory: 32 byte (directory entry slot) granularity */ else if (type & tlckDTREE) { dtpage_t *p, *xp; @@ -800,9 +801,8 @@ int diWrite(tid_t tid, struct inode *ip) } /* - * lock/copy inode base: 128 byte slot granularity + * lock/copy inode base: 128 byte slot granularity */ -// baseDinode: lv = & dilinelock->lv[dilinelock->index]; lv->offset = dioffset >> L2INODESLOTSIZE; copy_to_dinode(dp, ip); @@ -813,17 +813,6 @@ int diWrite(tid_t tid, struct inode *ip) lv->length = 1; dilinelock->index++; -#ifdef _JFS_FASTDASD - /* - * We aren't logging changes to the DASD used in directory inodes, - * but we need to write them to disk. If we don't unmount cleanly, - * mount will recalculate the DASD used. - */ - if (S_ISDIR(ip->i_mode) - && (ip->i_ipmnt->i_mntflag & JFS_DASD_ENABLED)) - memcpy(&dp->di_DASD, &ip->i_DASD, sizeof(struct dasd)); -#endif /* _JFS_FASTDASD */ - /* release the buffer holding the updated on-disk inode. * the buffer will be later written by commit processing. */ @@ -834,9 +823,9 @@ int diWrite(tid_t tid, struct inode *ip) /* - * NAME: diFree(ip) + * NAME: diFree(ip) * - * FUNCTION: free a specified inode from the inode working map + * FUNCTION: free a specified inode from the inode working map * for a fileset or aggregate. * * if the inode to be freed represents the first (only) @@ -865,11 +854,11 @@ int diWrite(tid_t tid, struct inode *ip) * any updates and are held until all updates are complete. * * PARAMETERS: - * ip - inode to be freed. + * ip - inode to be freed. * * RETURN VALUES: - * 0 - success - * -EIO - i/o error. + * 0 - success + * -EIO - i/o error. */ int diFree(struct inode *ip) { @@ -902,16 +891,16 @@ int diFree(struct inode *ip) * the map. */ if (iagno >= imap->im_nextiag) { - dump_mem("imap", imap, 32); - jfs_error(ip->i_sb, - "diFree: inum = %d, iagno = %d, nextiag = %d", + print_hex_dump(KERN_ERR, "imap: ", DUMP_PREFIX_ADDRESS, 16, 4, + imap, 32, 0); + jfs_error(ip->i_sb, "inum = %d, iagno = %d, nextiag = %d\n", (uint) inum, iagno, imap->im_nextiag); return -EIO; } /* get the allocation group for this ino. */ - agno = JFS_IP(ip)->agno; + agno = BLKTOAG(JFS_IP(ip)->agstart, JFS_SBI(ip->i_sb)); /* Lock the AG specific inode map information */ @@ -940,15 +929,14 @@ int diFree(struct inode *ip) mask = HIGHORDER >> bitno; if (!(le32_to_cpu(iagp->wmap[extno]) & mask)) { - jfs_error(ip->i_sb, - "diFree: wmap shows inode already free"); + jfs_error(ip->i_sb, "wmap shows inode already free\n"); } if (!addressPXD(&iagp->inoext[extno])) { release_metapage(mp); IREAD_UNLOCK(ipimap); AG_UNLOCK(imap, agno); - jfs_error(ip->i_sb, "diFree: invalid inoext"); + jfs_error(ip->i_sb, "invalid inoext\n"); return -EIO; } @@ -960,12 +948,12 @@ int diFree(struct inode *ip) release_metapage(mp); IREAD_UNLOCK(ipimap); AG_UNLOCK(imap, agno); - jfs_error(ip->i_sb, "diFree: numfree > numinos"); + jfs_error(ip->i_sb, "numfree > numinos\n"); return -EIO; } /* - * inode extent still has some inodes or below low water mark: - * keep the inode extent; + * inode extent still has some inodes or below low water mark: + * keep the inode extent; */ if (bitmap || imap->im_agctl[agno].numfree < 96 || @@ -1030,8 +1018,7 @@ int diFree(struct inode *ip) /* update the free inode counts at the iag, ag and * map level. */ - iagp->nfreeinos = - cpu_to_le32(le32_to_cpu(iagp->nfreeinos) + 1); + le32_add_cpu(&iagp->nfreeinos, 1); imap->im_agctl[agno].numfree += 1; atomic_inc(&imap->im_numfree); @@ -1047,12 +1034,12 @@ int diFree(struct inode *ip) /* - * inode extent has become free and above low water mark: - * free the inode extent; + * inode extent has become free and above low water mark: + * free the inode extent; */ /* - * prepare to update iag list(s) (careful update step 1) + * prepare to update iag list(s) (careful update step 1) */ amp = bmp = cmp = dmp = NULL; fwd = back = -1; @@ -1080,7 +1067,7 @@ int diFree(struct inode *ip) */ if (iagp->nfreeexts == cpu_to_le32(EXTSPERIAG - 1)) { /* in preparation for removing the iag from the - * ag extent free list, read the iags preceeding + * ag extent free list, read the iags preceding * and following the iag on the ag extent free * list. */ @@ -1106,7 +1093,7 @@ int diFree(struct inode *ip) int inofreefwd = le32_to_cpu(iagp->inofreefwd); /* in preparation for removing the iag from the - * ag inode free list, read the iags preceeding + * ag inode free list, read the iags preceding * and following the iag on the ag inode free * list. before reading these iags, we must make * sure that we already don't have them in hand @@ -1152,7 +1139,7 @@ int diFree(struct inode *ip) invalidate_pxd_metapages(ip, freepxd); /* - * update iag list(s) (careful update step 2) + * update iag list(s) (careful update step 2) */ /* add the iag to the ag extent free list if this is the * first free extent for the iag. @@ -1210,7 +1197,7 @@ int diFree(struct inode *ip) * for the inode being freed. */ if (iagp->pmap[extno] != 0) { - jfs_error(ip->i_sb, "diFree: the pmap does not show inode free"); + jfs_error(ip->i_sb, "the pmap does not show inode free\n"); } iagp->wmap[extno] = 0; PXDlength(&iagp->inoext[extno], 0); @@ -1230,9 +1217,8 @@ int diFree(struct inode *ip) /* update the number of free inodes and number of free extents * for the iag. */ - iagp->nfreeinos = cpu_to_le32(le32_to_cpu(iagp->nfreeinos) - - (INOSPEREXT - 1)); - iagp->nfreeexts = cpu_to_le32(le32_to_cpu(iagp->nfreeexts) + 1); + le32_add_cpu(&iagp->nfreeinos, -(INOSPEREXT - 1)); + le32_add_cpu(&iagp->nfreeexts, 1); /* update the number of free inodes and backed inodes * at the ag and inode map level. @@ -1327,31 +1313,30 @@ int diFree(struct inode *ip) static inline void diInitInode(struct inode *ip, int iagno, int ino, int extno, struct iag * iagp) { - struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb); struct jfs_inode_info *jfs_ip = JFS_IP(ip); ip->i_ino = (iagno << L2INOSPERIAG) + ino; jfs_ip->ixpxd = iagp->inoext[extno]; - jfs_ip->agno = BLKTOAG(le64_to_cpu(iagp->agstart), sbi); + jfs_ip->agstart = le64_to_cpu(iagp->agstart); jfs_ip->active_ag = -1; } /* - * NAME: diAlloc(pip,dir,ip) + * NAME: diAlloc(pip,dir,ip) * - * FUNCTION: allocate a disk inode from the inode working map + * FUNCTION: allocate a disk inode from the inode working map * for a fileset or aggregate. * * PARAMETERS: - * pip - pointer to incore inode for the parent inode. - * dir - 'true' if the new disk inode is for a directory. - * ip - pointer to a new inode + * pip - pointer to incore inode for the parent inode. + * dir - 'true' if the new disk inode is for a directory. + * ip - pointer to a new inode * * RETURN VALUES: - * 0 - success. - * -ENOSPC - insufficient disk resources. - * -EIO - i/o error. + * 0 - success. + * -ENOSPC - insufficient disk resources. + * -EIO - i/o error. */ int diAlloc(struct inode *pip, bool dir, struct inode *ip) { @@ -1391,7 +1376,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip) */ /* get the ag number of this iag */ - agno = JFS_IP(pip)->agno; + agno = BLKTOAG(JFS_IP(pip)->agstart, JFS_SBI(pip->i_sb)); if (atomic_read(&JFS_SBI(pip->i_sb)->bmap->db_active[agno])) { /* @@ -1433,7 +1418,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip) addext = (imap->im_agctl[agno].numfree < 32 && iagp->nfreeexts); /* - * try to allocate from the IAG + * try to allocate from the IAG */ /* check if the inode may be allocated from the iag * (i.e. the inode has free inodes or new extent can be added). @@ -1506,7 +1491,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip) /* mask any prior bits for the starting words of the * summary map. */ - mask = ONES << (EXTSPERSUM - bitno); + mask = (bitno == 0) ? 0 : (ONES << (EXTSPERSUM - bitno)); inosmap = le32_to_cpu(iagp->inosmap[sword]) | mask; extsmap = le32_to_cpu(iagp->extsmap[sword]) | mask; @@ -1531,9 +1516,8 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip) release_metapage(mp); AG_UNLOCK(imap, agno); jfs_error(ip->i_sb, - "diAlloc: can't find free bit " - "in wmap"); - return EIO; + "can't find free bit in wmap\n"); + return -EIO; } /* determine the inode number within the @@ -1633,9 +1617,9 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip) /* - * NAME: diAllocAG(imap,agno,dir,ip) + * NAME: diAllocAG(imap,agno,dir,ip) * - * FUNCTION: allocate a disk inode from the allocation group. + * FUNCTION: allocate a disk inode from the allocation group. * * this routine first determines if a new extent of free * inodes should be added for the allocation group, with @@ -1649,17 +1633,17 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip) * PRE CONDITION: Already have the AG lock for this AG. * * PARAMETERS: - * imap - pointer to inode map control structure. - * agno - allocation group to allocate from. - * dir - 'true' if the new disk inode is for a directory. - * ip - pointer to the new inode to be filled in on successful return + * imap - pointer to inode map control structure. + * agno - allocation group to allocate from. + * dir - 'true' if the new disk inode is for a directory. + * ip - pointer to the new inode to be filled in on successful return * with the disk inode number allocated, its extent address * and the start of the ag. * * RETURN VALUES: - * 0 - success. - * -ENOSPC - insufficient disk resources. - * -EIO - i/o error. + * 0 - success. + * -ENOSPC - insufficient disk resources. + * -EIO - i/o error. */ static int diAllocAG(struct inomap * imap, int agno, bool dir, struct inode *ip) @@ -1673,7 +1657,7 @@ diAllocAG(struct inomap * imap, int agno, bool dir, struct inode *ip) numinos = imap->im_agctl[agno].numinos; if (numfree > numinos) { - jfs_error(ip->i_sb, "diAllocAG: numfree > numinos"); + jfs_error(ip->i_sb, "numfree > numinos\n"); return -EIO; } @@ -1693,7 +1677,7 @@ diAllocAG(struct inomap * imap, int agno, bool dir, struct inode *ip) * try to allocate a new extent of free inodes. */ if (addext) { - /* if free space is not avaliable for this new extent, try + /* if free space is not available for this new extent, try * below to allocate a free and existing (already backed) * inode from the ag. */ @@ -1709,9 +1693,9 @@ diAllocAG(struct inomap * imap, int agno, bool dir, struct inode *ip) /* - * NAME: diAllocAny(imap,agno,dir,iap) + * NAME: diAllocAny(imap,agno,dir,iap) * - * FUNCTION: allocate a disk inode from any other allocation group. + * FUNCTION: allocate a disk inode from any other allocation group. * * this routine is called when an allocation attempt within * the primary allocation group has failed. if attempts to @@ -1719,17 +1703,17 @@ diAllocAG(struct inomap * imap, int agno, bool dir, struct inode *ip) * specified primary group. * * PARAMETERS: - * imap - pointer to inode map control structure. - * agno - primary allocation group (to avoid). - * dir - 'true' if the new disk inode is for a directory. - * ip - pointer to a new inode to be filled in on successful return + * imap - pointer to inode map control structure. + * agno - primary allocation group (to avoid). + * dir - 'true' if the new disk inode is for a directory. + * ip - pointer to a new inode to be filled in on successful return * with the disk inode number allocated, its extent address * and the start of the ag. * * RETURN VALUES: - * 0 - success. - * -ENOSPC - insufficient disk resources. - * -EIO - i/o error. + * 0 - success. + * -ENOSPC - insufficient disk resources. + * -EIO - i/o error. */ static int diAllocAny(struct inomap * imap, int agno, bool dir, struct inode *ip) @@ -1772,9 +1756,9 @@ diAllocAny(struct inomap * imap, int agno, bool dir, struct inode *ip) /* - * NAME: diAllocIno(imap,agno,ip) + * NAME: diAllocIno(imap,agno,ip) * - * FUNCTION: allocate a disk inode from the allocation group's free + * FUNCTION: allocate a disk inode from the allocation group's free * inode list, returning an error if this free list is * empty (i.e. no iags on the list). * @@ -1785,16 +1769,16 @@ diAllocAny(struct inomap * imap, int agno, bool dir, struct inode *ip) * PRE CONDITION: Already have AG lock for this AG. * * PARAMETERS: - * imap - pointer to inode map control structure. - * agno - allocation group. - * ip - pointer to new inode to be filled in on successful return + * imap - pointer to inode map control structure. + * agno - allocation group. + * ip - pointer to new inode to be filled in on successful return * with the disk inode number allocated, its extent address * and the start of the ag. * * RETURN VALUES: - * 0 - success. - * -ENOSPC - insufficient disk resources. - * -EIO - i/o error. + * 0 - success. + * -ENOSPC - insufficient disk resources. + * -EIO - i/o error. */ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip) { @@ -1824,8 +1808,7 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip) if (!iagp->nfreeinos) { IREAD_UNLOCK(imap->im_ipimap); release_metapage(mp); - jfs_error(ip->i_sb, - "diAllocIno: nfreeinos = 0, but iag on freelist"); + jfs_error(ip->i_sb, "nfreeinos = 0, but iag on freelist\n"); return -EIO; } @@ -1837,7 +1820,7 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip) IREAD_UNLOCK(imap->im_ipimap); release_metapage(mp); jfs_error(ip->i_sb, - "diAllocIno: free inode not found in summary map"); + "free inode not found in summary map\n"); return -EIO; } @@ -1852,7 +1835,7 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip) if (rem >= EXTSPERSUM) { IREAD_UNLOCK(imap->im_ipimap); release_metapage(mp); - jfs_error(ip->i_sb, "diAllocIno: no free extent found"); + jfs_error(ip->i_sb, "no free extent found\n"); return -EIO; } extno = (sword << L2EXTSPERSUM) + rem; @@ -1863,7 +1846,7 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip) if (rem >= INOSPEREXT) { IREAD_UNLOCK(imap->im_ipimap); release_metapage(mp); - jfs_error(ip->i_sb, "diAllocIno: free inode not found"); + jfs_error(ip->i_sb, "free inode not found\n"); return -EIO; } @@ -1890,7 +1873,7 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip) /* - * NAME: diAllocExt(imap,agno,ip) + * NAME: diAllocExt(imap,agno,ip) * * FUNCTION: add a new extent of free inodes to an iag, allocating * an inode from this extent to satisfy the current allocation @@ -1910,16 +1893,16 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip) * for the purpose of satisfying this request. * * PARAMETERS: - * imap - pointer to inode map control structure. - * agno - allocation group number. - * ip - pointer to new inode to be filled in on successful return + * imap - pointer to inode map control structure. + * agno - allocation group number. + * ip - pointer to new inode to be filled in on successful return * with the disk inode number allocated, its extent address * and the start of the ag. * * RETURN VALUES: - * 0 - success. - * -ENOSPC - insufficient disk resources. - * -EIO - i/o error. + * 0 - success. + * -ENOSPC - insufficient disk resources. + * -EIO - i/o error. */ static int diAllocExt(struct inomap * imap, int agno, struct inode *ip) { @@ -1949,7 +1932,7 @@ static int diAllocExt(struct inomap * imap, int agno, struct inode *ip) IREAD_LOCK(imap->im_ipimap, RDWRLOCK_IMAP); if ((rc = diIAGRead(imap, iagno, &mp))) { IREAD_UNLOCK(imap->im_ipimap); - jfs_error(ip->i_sb, "diAllocExt: error reading iag"); + jfs_error(ip->i_sb, "error reading iag\n"); return rc; } iagp = (struct iag *) mp->data; @@ -1961,8 +1944,7 @@ static int diAllocExt(struct inomap * imap, int agno, struct inode *ip) if (sword >= SMAPSZ) { release_metapage(mp); IREAD_UNLOCK(imap->im_ipimap); - jfs_error(ip->i_sb, - "diAllocExt: free ext summary map not found"); + jfs_error(ip->i_sb, "free ext summary map not found\n"); return -EIO; } if (~iagp->extsmap[sword]) @@ -1975,7 +1957,7 @@ static int diAllocExt(struct inomap * imap, int agno, struct inode *ip) if (rem >= EXTSPERSUM) { release_metapage(mp); IREAD_UNLOCK(imap->im_ipimap); - jfs_error(ip->i_sb, "diAllocExt: free extent not found"); + jfs_error(ip->i_sb, "free extent not found\n"); return -EIO; } extno = (sword << L2EXTSPERSUM) + rem; @@ -2010,7 +1992,7 @@ static int diAllocExt(struct inomap * imap, int agno, struct inode *ip) /* - * NAME: diAllocBit(imap,iagp,ino) + * NAME: diAllocBit(imap,iagp,ino) * * FUNCTION: allocate a backed inode from an iag. * @@ -2030,14 +2012,14 @@ static int diAllocExt(struct inomap * imap, int agno, struct inode *ip) * this AG. Must have read lock on imap inode. * * PARAMETERS: - * imap - pointer to inode map control structure. - * iagp - pointer to iag. - * ino - inode number to be allocated within the iag. + * imap - pointer to inode map control structure. + * iagp - pointer to iag. + * ino - inode number to be allocated within the iag. * * RETURN VALUES: - * 0 - success. - * -ENOSPC - insufficient disk resources. - * -EIO - i/o error. + * 0 - success. + * -ENOSPC - insufficient disk resources. + * -EIO - i/o error. */ static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino) { @@ -2048,7 +2030,7 @@ static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino) /* check if this is the last free inode within the iag. * if so, it will have to be removed from the ag free - * inode list, so get the iags preceeding and following + * inode list, so get the iags preceding and following * it on the list. */ if (iagp->nfreeinos == cpu_to_le32(1)) { @@ -2094,8 +2076,7 @@ static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino) if (bmp) release_metapage(bmp); - jfs_error(imap->im_ipimap->i_sb, - "diAllocBit: iag inconsistent"); + jfs_error(imap->im_ipimap->i_sb, "iag inconsistent\n"); return -EIO; } @@ -2135,7 +2116,7 @@ static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino) /* update the free inode count at the iag, ag, inode * map levels. */ - iagp->nfreeinos = cpu_to_le32(le32_to_cpu(iagp->nfreeinos) - 1); + le32_add_cpu(&iagp->nfreeinos, -1); imap->im_agctl[agno].numfree -= 1; atomic_dec(&imap->im_numfree); @@ -2144,11 +2125,11 @@ static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino) /* - * NAME: diNewExt(imap,iagp,extno) + * NAME: diNewExt(imap,iagp,extno) * - * FUNCTION: initialize a new extent of inodes for an iag, allocating - * the first inode of the extent for use for the current - * allocation request. + * FUNCTION: initialize a new extent of inodes for an iag, allocating + * the first inode of the extent for use for the current + * allocation request. * * disk resources are allocated for the new extent of inodes * and the inodes themselves are initialized to reflect their @@ -2177,14 +2158,14 @@ static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino) * this AG. Must have read lock on imap inode. * * PARAMETERS: - * imap - pointer to inode map control structure. - * iagp - pointer to iag. - * extno - extent number. + * imap - pointer to inode map control structure. + * iagp - pointer to iag. + * extno - extent number. * * RETURN VALUES: - * 0 - success. - * -ENOSPC - insufficient disk resources. - * -EIO - i/o error. + * 0 - success. + * -ENOSPC - insufficient disk resources. + * -EIO - i/o error. */ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) { @@ -2202,7 +2183,7 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) /* better have free extents. */ if (!iagp->nfreeexts) { - jfs_error(imap->im_ipimap->i_sb, "diNewExt: no free extents"); + jfs_error(imap->im_ipimap->i_sb, "no free extents\n"); return -EIO; } @@ -2220,7 +2201,7 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) /* check if this is the last free extent within the * iag. if so, the iag must be removed from the ag - * free extent list, so get the iags preceeding and + * free extent list, so get the iags preceding and * following the iag on this list. */ if (iagp->nfreeexts == cpu_to_le32(1)) { @@ -2274,7 +2255,7 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) } if (ciagp == NULL) { jfs_error(imap->im_ipimap->i_sb, - "diNewExt: ciagp == NULL"); + "ciagp == NULL\n"); rc = -EIO; goto error_out; } @@ -2389,9 +2370,8 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) /* update the free inode and free extent counts for the * iag. */ - iagp->nfreeinos = cpu_to_le32(le32_to_cpu(iagp->nfreeinos) + - (INOSPEREXT - 1)); - iagp->nfreeexts = cpu_to_le32(le32_to_cpu(iagp->nfreeexts) - 1); + le32_add_cpu(&iagp->nfreeinos, (INOSPEREXT - 1)); + le32_add_cpu(&iagp->nfreeexts, -1); /* update the free and backed inode counts for the ag. */ @@ -2430,7 +2410,7 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) /* - * NAME: diNewIAG(imap,iagnop,agno) + * NAME: diNewIAG(imap,iagnop,agno) * * FUNCTION: allocate a new iag for an allocation group. * @@ -2443,16 +2423,16 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) * and returned to satisfy the request. * * PARAMETERS: - * imap - pointer to inode map control structure. - * iagnop - pointer to an iag number set with the number of the + * imap - pointer to inode map control structure. + * iagnop - pointer to an iag number set with the number of the * newly allocated iag upon successful return. - * agno - allocation group number. + * agno - allocation group number. * bpp - Buffer pointer to be filled in with new IAG's buffer * * RETURN VALUES: - * 0 - success. - * -ENOSPC - insufficient disk resources. - * -EIO - i/o error. + * 0 - success. + * -ENOSPC - insufficient disk resources. + * -EIO - i/o error. * * serialization: * AG lock held on entry/exit; @@ -2461,7 +2441,7 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) * * note: new iag transaction: * . synchronously write iag; - * . write log of xtree and inode of imap; + * . write log of xtree and inode of imap; * . commit; * . synchronous write of xtree (right to left, bottom to top); * . at start of logredo(): init in-memory imap with one additional iag page; @@ -2481,9 +2461,6 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp) s64 xaddr = 0; s64 blkno; tid_t tid; -#ifdef _STILL_TO_PORT - xad_t xad; -#endif /* _STILL_TO_PORT */ struct inode *iplist[1]; /* pick up pointers to the inode map and mount inodes */ @@ -2515,12 +2492,12 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp) IWRITE_UNLOCK(ipimap); IAGFREE_UNLOCK(imap); jfs_error(imap->im_ipimap->i_sb, - "diNewIAG: ipimap->i_size is wrong"); + "ipimap->i_size is wrong\n"); return -EIO; } - /* get the next avaliable iag number */ + /* get the next available iag number */ iagno = imap->im_nextiag; /* make sure that we have not exceeded the maximum inode @@ -2588,6 +2565,7 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp) txAbort(tid, 0); txEnd(tid); + mutex_unlock(&JFS_IP(ipimap)->commit_mutex); /* release the inode map lock */ IWRITE_UNLOCK(ipimap); @@ -2630,7 +2608,7 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp) duplicateIXtree(sb, blkno, xlen, &xaddr); - /* update the next avaliable iag number */ + /* update the next available iag number */ imap->im_nextiag += 1; /* Add the iag to the iag free list so we don't lose the iag @@ -2674,15 +2652,15 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp) } /* - * NAME: diIAGRead() + * NAME: diIAGRead() * - * FUNCTION: get the buffer for the specified iag within a fileset + * FUNCTION: get the buffer for the specified iag within a fileset * or aggregate inode map. * * PARAMETERS: - * imap - pointer to inode map control structure. - * iagno - iag number. - * bpp - point to buffer pointer to be filled in on successful + * imap - pointer to inode map control structure. + * iagno - iag number. + * bpp - point to buffer pointer to be filled in on successful * exit. * * SERIALIZATION: @@ -2691,8 +2669,8 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp) * the read lock is unnecessary.) * * RETURN VALUES: - * 0 - success. - * -EIO - i/o error. + * 0 - success. + * -EIO - i/o error. */ static int diIAGRead(struct inomap * imap, int iagno, struct metapage ** mpp) { @@ -2712,17 +2690,17 @@ static int diIAGRead(struct inomap * imap, int iagno, struct metapage ** mpp) } /* - * NAME: diFindFree() + * NAME: diFindFree() * - * FUNCTION: find the first free bit in a word starting at + * FUNCTION: find the first free bit in a word starting at * the specified bit position. * * PARAMETERS: - * word - word to be examined. - * start - starting bit position. + * word - word to be examined. + * start - starting bit position. * * RETURN VALUES: - * bit position of first free bit in the word or 32 if + * bit position of first free bit in the word or 32 if * no free bits were found. */ static int diFindFree(u32 word, int start) @@ -2774,8 +2752,7 @@ diUpdatePMap(struct inode *ipimap, iagno = INOTOIAG(inum); /* make sure that the iag is contained within the map */ if (iagno >= imap->im_nextiag) { - jfs_error(ipimap->i_sb, - "diUpdatePMap: the iag is outside the map"); + jfs_error(ipimap->i_sb, "the iag is outside the map\n"); return -EIO; } /* read the iag */ @@ -2804,13 +2781,13 @@ diUpdatePMap(struct inode *ipimap, */ if (!(le32_to_cpu(iagp->wmap[extno]) & mask)) { jfs_error(ipimap->i_sb, - "diUpdatePMap: inode %ld not marked as " - "allocated in wmap!", inum); + "inode %ld not marked as allocated in wmap!\n", + inum); } if (!(le32_to_cpu(iagp->pmap[extno]) & mask)) { jfs_error(ipimap->i_sb, - "diUpdatePMap: inode %ld not marked as " - "allocated in pmap!", inum); + "inode %ld not marked as allocated in pmap!\n", + inum); } /* update the bitmap for the extent of the freed inode */ iagp->pmap[extno] &= cpu_to_le32(~mask); @@ -2825,15 +2802,13 @@ diUpdatePMap(struct inode *ipimap, if (!(le32_to_cpu(iagp->wmap[extno]) & mask)) { release_metapage(mp); jfs_error(ipimap->i_sb, - "diUpdatePMap: the inode is not allocated in " - "the working map"); + "the inode is not allocated in the working map\n"); return -EIO; } if ((le32_to_cpu(iagp->pmap[extno]) & mask) != 0) { release_metapage(mp); jfs_error(ipimap->i_sb, - "diUpdatePMap: the inode is not free in the " - "persistent map"); + "the inode is not free in the persistent map\n"); return -EIO; } /* update the bitmap for the extent of the allocated inode */ @@ -2897,7 +2872,7 @@ int diExtendFS(struct inode *ipimap, struct inode *ipbmap) atomic_read(&imap->im_numfree)); /* - * reconstruct imap + * reconstruct imap * * coalesce contiguous k (newAGSize/oldAGSize) AGs; * i.e., (AGi, ..., AGj) where i = k*n and j = k*(n+1) - 1 to AGn; @@ -2913,7 +2888,7 @@ int diExtendFS(struct inode *ipimap, struct inode *ipbmap) } /* - * process each iag page of the map. + * process each iag page of the map. * * rebuild AG Free Inode List, AG Free Inode Extent List; */ @@ -2925,21 +2900,19 @@ int diExtendFS(struct inode *ipimap, struct inode *ipbmap) iagp = (struct iag *) bp->data; if (le32_to_cpu(iagp->iagnum) != i) { release_metapage(bp); - jfs_error(ipimap->i_sb, - "diExtendFs: unexpected value of iagnum"); + jfs_error(ipimap->i_sb, "unexpected value of iagnum\n"); return -EIO; } /* leave free iag in the free iag list */ if (iagp->nfreeexts == cpu_to_le32(EXTSPERIAG)) { - release_metapage(bp); + release_metapage(bp); continue; } - /* agstart that computes to the same ag is treated as same; */ agstart = le64_to_cpu(iagp->agstart); - /* iagp->agstart = agstart & ~(mp->db_agsize - 1); */ n = agstart >> mp->db_agl2size; + iagp->agstart = cpu_to_le64((s64)n << mp->db_agl2size); /* compute backed inodes */ numinos = (EXTSPERIAG - le32_to_cpu(iagp->nfreeexts)) @@ -3003,8 +2976,7 @@ int diExtendFS(struct inode *ipimap, struct inode *ipbmap) if (xnuminos != atomic_read(&imap->im_numinos) || xnumfree != atomic_read(&imap->im_numfree)) { - jfs_error(ipimap->i_sb, - "diExtendFs: numinos or numfree incorrect"); + jfs_error(ipimap->i_sb, "numinos or numfree incorrect\n"); return -EIO; } @@ -3063,13 +3035,13 @@ static void duplicateIXtree(struct super_block *sb, s64 blkno, } /* - * NAME: copy_from_dinode() + * NAME: copy_from_dinode() * - * FUNCTION: Copies inode info from disk inode to in-memory inode + * FUNCTION: Copies inode info from disk inode to in-memory inode * * RETURN VALUES: - * 0 - success - * -ENOMEM - insufficient memory + * 0 - success + * -ENOMEM - insufficient memory */ static int copy_from_dinode(struct dinode * dip, struct inode *ip) { @@ -3093,17 +3065,17 @@ static int copy_from_dinode(struct dinode * dip, struct inode *ip) ip->i_mode |= 0001; } } - ip->i_nlink = le32_to_cpu(dip->di_nlink); + set_nlink(ip, le32_to_cpu(dip->di_nlink)); - jfs_ip->saved_uid = le32_to_cpu(dip->di_uid); - if (sbi->uid == -1) + jfs_ip->saved_uid = make_kuid(&init_user_ns, le32_to_cpu(dip->di_uid)); + if (!uid_valid(sbi->uid)) 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) + jfs_ip->saved_gid = make_kgid(&init_user_ns, le32_to_cpu(dip->di_gid)); + if (!gid_valid(sbi->gid)) ip->i_gid = jfs_ip->saved_gid; else { ip->i_gid = sbi->gid; @@ -3151,9 +3123,9 @@ static int copy_from_dinode(struct dinode * dip, struct inode *ip) } /* - * NAME: copy_to_dinode() + * NAME: copy_to_dinode() * - * FUNCTION: Copies inode info from in-memory inode to disk inode + * FUNCTION: Copies inode info from in-memory inode to disk inode */ static void copy_to_dinode(struct dinode * dip, struct inode *ip) { @@ -3167,14 +3139,16 @@ static void copy_to_dinode(struct dinode * dip, struct inode *ip) 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); - if (sbi->uid == -1) - dip->di_uid = cpu_to_le32(ip->i_uid); + if (!uid_valid(sbi->uid)) + dip->di_uid = cpu_to_le32(i_uid_read(ip)); else - dip->di_uid = cpu_to_le32(jfs_ip->saved_uid); - if (sbi->gid == -1) - dip->di_gid = cpu_to_le32(ip->i_gid); + dip->di_uid =cpu_to_le32(from_kuid(&init_user_ns, + jfs_ip->saved_uid)); + if (!gid_valid(sbi->gid)) + dip->di_gid = cpu_to_le32(i_gid_read(ip)); else - dip->di_gid = cpu_to_le32(jfs_ip->saved_gid); + dip->di_gid = cpu_to_le32(from_kgid(&init_user_ns, + jfs_ip->saved_gid)); jfs_get_inode_flags(jfs_ip); /* * mode2 is only needed for storing the higher order bits. |