X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_itable.c;h=aeb2d2221c7ddb15b8e4efdae36ee94f40b7fbe3;hb=20aa9e9b5465a2566e23d78643735dfae3277dab;hp=42a214b8df9e6e27ab69d0824efeaa9d8836443f;hpb=637aa50f461b8ea6b1e8bf9877b0d13d00085043;p=safe%2Fjmp%2Flinux-2.6 diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 42a214b..aeb2d22 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -69,7 +69,7 @@ xfs_bulkstat_one_iget( } ASSERT(ip != NULL); - ASSERT(ip->i_blkno != (xfs_daddr_t)0); + ASSERT(ip->i_imap.im_blkno != 0); dic = &ip->i_d; @@ -83,7 +83,12 @@ xfs_bulkstat_one_iget( buf->bs_uid = dic->di_uid; buf->bs_gid = dic->di_gid; buf->bs_size = dic->di_size; - vn_atime_to_bstime(VFS_I(ip), &buf->bs_atime); + /* + * We are reading the atime from the Linux inode because the + * dinode might not be uptodate. + */ + buf->bs_atime.tv_sec = VFS_I(ip)->i_atime.tv_sec; + buf->bs_atime.tv_nsec = VFS_I(ip)->i_atime.tv_nsec; buf->bs_mtime.tv_sec = dic->di_mtime.t_sec; buf->bs_mtime.tv_nsec = dic->di_mtime.t_nsec; buf->bs_ctime.tv_sec = dic->di_ctime.t_sec; @@ -125,13 +130,9 @@ STATIC void xfs_bulkstat_one_dinode( xfs_mount_t *mp, /* mount point for filesystem */ xfs_ino_t ino, /* inode number to get data for */ - xfs_dinode_t *dip, /* dinode inode pointer */ + xfs_dinode_t *dic, /* dinode inode pointer */ xfs_bstat_t *buf) /* return buffer */ { - xfs_dinode_core_t *dic; /* dinode core info pointer */ - - dic = &dip->di_core; - /* * The inode format changed when we moved the link count and * made it 32 bits long. If this is an old format inode, @@ -143,7 +144,7 @@ xfs_bulkstat_one_dinode( * the new format. We don't change the version number so that we * can distinguish this from a real new format inode. */ - if (dic->di_version == XFS_DINODE_VERSION_1) { + if (dic->di_version == 1) { buf->bs_nlink = be16_to_cpu(dic->di_onlink); buf->bs_projid = 0; } else { @@ -162,7 +163,7 @@ xfs_bulkstat_one_dinode( buf->bs_mtime.tv_nsec = be32_to_cpu(dic->di_mtime.t_nsec); buf->bs_ctime.tv_sec = be32_to_cpu(dic->di_ctime.t_sec); buf->bs_ctime.tv_nsec = be32_to_cpu(dic->di_ctime.t_nsec); - buf->bs_xflags = xfs_dic2xflags(dip); + buf->bs_xflags = xfs_dic2xflags(dic); buf->bs_extsize = be32_to_cpu(dic->di_extsize) << mp->m_sb.sb_blocklog; buf->bs_extents = be32_to_cpu(dic->di_nextents); buf->bs_gen = be32_to_cpu(dic->di_gen); @@ -173,7 +174,7 @@ xfs_bulkstat_one_dinode( switch (dic->di_format) { case XFS_DINODE_FMT_DEV: - buf->bs_rdev = be32_to_cpu(dip->di_u.di_dev); + buf->bs_rdev = xfs_dinode_get_rdev(dic); buf->bs_blksize = BLKDEV_IOSIZE; buf->bs_blocks = 0; break; @@ -192,27 +193,34 @@ xfs_bulkstat_one_dinode( } } +/* Return 0 on success or positive error */ STATIC int xfs_bulkstat_one_fmt( void __user *ubuffer, + int ubsize, + int *ubused, const xfs_bstat_t *buffer) { + if (ubsize < sizeof(*buffer)) + return XFS_ERROR(ENOMEM); if (copy_to_user(ubuffer, buffer, sizeof(*buffer))) - return -EFAULT; - return sizeof(*buffer); + return XFS_ERROR(EFAULT); + if (ubused) + *ubused = sizeof(*buffer); + return 0; } /* * Return stat information for one inode. * Return 0 if ok, else errno. */ -int /* error status */ -xfs_bulkstat_one( +int /* error status */ +xfs_bulkstat_one_int( xfs_mount_t *mp, /* mount point for filesystem */ xfs_ino_t ino, /* inode number to get data for */ void __user *buffer, /* buffer to place output in */ int ubsize, /* size of buffer */ - void *private_data, /* my private data */ + bulkstat_one_fmt_pf formatter, /* formatter, copy to user */ xfs_daddr_t bno, /* starting bno of inode cluster */ int *ubused, /* bytes used by me */ void *dibuff, /* on-disk inode buffer */ @@ -221,15 +229,12 @@ xfs_bulkstat_one( xfs_bstat_t *buf; /* return buffer */ int error = 0; /* error value */ xfs_dinode_t *dip; /* dinode inode pointer */ - bulkstat_one_fmt_pf formatter = private_data ? : xfs_bulkstat_one_fmt; dip = (xfs_dinode_t *)dibuff; *stat = BULKSTAT_RV_NOTHING; if (!buffer || xfs_internal_inum(mp, ino)) return XFS_ERROR(EINVAL); - if (ubsize < sizeof(*buf)) - return XFS_ERROR(ENOMEM); buf = kmem_alloc(sizeof(*buf), KM_SLEEP); @@ -244,21 +249,34 @@ xfs_bulkstat_one( xfs_bulkstat_one_dinode(mp, ino, dip, buf); } - error = formatter(buffer, buf); - if (error < 0) { - error = EFAULT; + error = formatter(buffer, ubsize, ubused, buf); + if (error) goto out_free; - } *stat = BULKSTAT_RV_DIDONE; - if (ubused) - *ubused = error; out_free: kmem_free(buf); return error; } +int +xfs_bulkstat_one( + xfs_mount_t *mp, /* mount point for filesystem */ + xfs_ino_t ino, /* inode number to get data for */ + void __user *buffer, /* buffer to place output in */ + int ubsize, /* size of buffer */ + void *private_data, /* my private data */ + xfs_daddr_t bno, /* starting bno of inode cluster */ + int *ubused, /* bytes used by me */ + void *dibuff, /* on-disk inode buffer */ + int *stat) /* BULKSTAT_RV_... */ +{ + return xfs_bulkstat_one_int(mp, ino, buffer, ubsize, + xfs_bulkstat_one_fmt, bno, + ubused, dibuff, stat); +} + /* * Test to see whether we can use the ondisk inode directly, based * on the given bulkstat flags, filling in dipp accordingly. @@ -287,19 +305,19 @@ xfs_bulkstat_use_dinode( * to disk yet. This is a temporary hack that would require a proper * fix in the future. */ - if (be16_to_cpu(dip->di_core.di_magic) != XFS_DINODE_MAGIC || - !XFS_DINODE_GOOD_VERSION(dip->di_core.di_version) || - !dip->di_core.di_mode) + if (be16_to_cpu(dip->di_magic) != XFS_DINODE_MAGIC || + !XFS_DINODE_GOOD_VERSION(dip->di_version) || + !dip->di_mode) return 0; if (flags & BULKSTAT_FG_QUICK) { *dipp = dip; return 1; } /* BULKSTAT_FG_INLINE: if attr fork is local, or not there, use it */ - aformat = dip->di_core.di_aformat; + aformat = dip->di_aformat; if ((XFS_DFORK_Q(dip) == 0) || (aformat == XFS_DINODE_FMT_LOCAL) || - (aformat == XFS_DINODE_FMT_EXTENTS && !dip->di_core.di_anextents)) { + (aformat == XFS_DINODE_FMT_EXTENTS && !dip->di_anextents)) { *dipp = dip; return 1; } @@ -359,7 +377,6 @@ xfs_bulkstat( int ubused; /* bytes used by formatter */ xfs_buf_t *bp; /* ptr to on-disk inode cluster buf */ xfs_dinode_t *dip; /* ptr into bp for specific inode */ - xfs_inode_t *ip; /* ptr to in-core inode struct */ /* * Get the last inode value, see if there's nothing to do. @@ -441,7 +458,7 @@ xfs_bulkstat( (chunkidx = agino - gino + 1) < XFS_INODES_PER_CHUNK && /* there are some left allocated */ - XFS_INOBT_MASKN(chunkidx, + xfs_inobt_maskn(chunkidx, XFS_INODES_PER_CHUNK - chunkidx) & ~gfree) { /* * Grab the chunk record. Mark all the @@ -452,7 +469,7 @@ xfs_bulkstat( if (XFS_INOBT_MASK(i) & ~gfree) gcnt++; } - gfree |= XFS_INOBT_MASKN(0, chunkidx); + gfree |= xfs_inobt_maskn(0, chunkidx); irbp->ir_startino = gino; irbp->ir_freecount = gcnt; irbp->ir_free = gfree; @@ -523,7 +540,7 @@ xfs_bulkstat( chunkidx < XFS_INODES_PER_CHUNK; chunkidx += nicluster, agbno += nbcluster) { - if (XFS_INOBT_MASKN(chunkidx, + if (xfs_inobt_maskn(chunkidx, nicluster) & ~gfree) xfs_btree_reada_bufs(mp, agno, agbno, nbcluster); @@ -567,7 +584,7 @@ xfs_bulkstat( * first inode of the cluster. * * Careful with clustidx. There can be - * multple clusters per chunk, a single + * multiple clusters per chunk, a single * cluster per chunk or a cluster that has * inodes represented from several different * chunks (if blocksize is large). @@ -585,6 +602,8 @@ xfs_bulkstat( if (flags & (BULKSTAT_FG_QUICK | BULKSTAT_FG_INLINE)) { + int offset; + ino = XFS_AGINO_TO_INO(mp, agno, agino); bno = XFS_AGB_TO_DADDR(mp, agno, @@ -595,19 +614,13 @@ xfs_bulkstat( */ if (bp) xfs_buf_relse(bp); - ip = xfs_inode_alloc(mp, ino); - if (!ip) { - bp = NULL; - rval = ENOMEM; - break; - } - error = xfs_itobp(mp, NULL, ip, - &dip, &bp, bno, - XFS_IMAP_BULKSTAT, - XFS_BUF_LOCK); + + error = xfs_inotobp(mp, NULL, ino, &dip, + &bp, &offset, + XFS_IGET_BULKSTAT); + if (!error) - clustidx = ip->i_boffset / mp->m_sb.sb_inodesize; - xfs_idestroy(ip); + clustidx = offset / mp->m_sb.sb_inodesize; if (XFS_TEST_ERROR(error != 0, mp, XFS_ERRTAG_BULKSTAT_READ_CHUNK, XFS_RANDOM_BULKSTAT_READ_CHUNK)) {