#include "xfs_btree.h"
STATIC int
+xfs_internal_inum(
+ xfs_mount_t *mp,
+ xfs_ino_t ino)
+{
+ return (ino == mp->m_sb.sb_rbmino || ino == mp->m_sb.sb_rsumino ||
+ (xfs_sb_version_hasquota(&mp->m_sb) &&
+ (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino)));
+}
+
+STATIC int
xfs_bulkstat_one_iget(
xfs_mount_t *mp, /* mount point for filesystem */
xfs_ino_t ino, /* inode number to get data for */
xfs_bstat_t *buf, /* return buffer */
int *stat) /* BULKSTAT_RV_... */
{
- xfs_dinode_core_t *dic; /* dinode core info pointer */
+ xfs_icdinode_t *dic; /* dinode core info pointer */
xfs_inode_t *ip; /* incore inode pointer */
- bhv_vnode_t *vp;
+ struct inode *inode;
int error;
error = xfs_iget(mp, NULL, ino,
}
ASSERT(ip != NULL);
- ASSERT(ip->i_blkno != (xfs_daddr_t)0);
- if (ip->i_d.di_mode == 0) {
- *stat = BULKSTAT_RV_NOTHING;
- error = XFS_ERROR(ENOENT);
- goto out_iput;
- }
+ ASSERT(ip->i_imap.im_blkno != 0);
- vp = XFS_ITOV(ip);
dic = &ip->i_d;
+ inode = VFS_I(ip);
/* xfs_iget returns the following without needing
* further change.
buf->bs_uid = dic->di_uid;
buf->bs_gid = dic->di_gid;
buf->bs_size = dic->di_size;
- vn_atime_to_bstime(vp, &buf->bs_atime);
- 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;
- buf->bs_ctime.tv_nsec = dic->di_ctime.t_nsec;
+
+ /*
+ * We need to read the timestamps from the Linux inode because
+ * the VFS keeps writing directly into the inode structure instead
+ * of telling us about the updates.
+ */
+ buf->bs_atime.tv_sec = inode->i_atime.tv_sec;
+ buf->bs_atime.tv_nsec = inode->i_atime.tv_nsec;
+ buf->bs_mtime.tv_sec = inode->i_mtime.tv_sec;
+ buf->bs_mtime.tv_nsec = inode->i_mtime.tv_nsec;
+ buf->bs_ctime.tv_sec = inode->i_ctime.tv_sec;
+ buf->bs_ctime.tv_nsec = inode->i_ctime.tv_nsec;
+
buf->bs_xflags = xfs_ip2xflags(ip);
buf->bs_extsize = dic->di_extsize << mp->m_sb.sb_blocklog;
buf->bs_extents = dic->di_nextents;
break;
}
- out_iput:
xfs_iput(ip, XFS_ILOCK_SHARED);
return error;
}
-STATIC int
+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,
* the new format. We don't change the version number so that we
* can distinguish this from a real new format inode.
*/
- if (INT_GET(dic->di_version, ARCH_CONVERT) == XFS_DINODE_VERSION_1) {
- buf->bs_nlink = INT_GET(dic->di_onlink, ARCH_CONVERT);
+ if (dic->di_version == 1) {
+ buf->bs_nlink = be16_to_cpu(dic->di_onlink);
buf->bs_projid = 0;
} else {
- buf->bs_nlink = INT_GET(dic->di_nlink, ARCH_CONVERT);
- buf->bs_projid = INT_GET(dic->di_projid, ARCH_CONVERT);
+ buf->bs_nlink = be32_to_cpu(dic->di_nlink);
+ buf->bs_projid = be16_to_cpu(dic->di_projid);
}
buf->bs_ino = ino;
- buf->bs_mode = INT_GET(dic->di_mode, ARCH_CONVERT);
- buf->bs_uid = INT_GET(dic->di_uid, ARCH_CONVERT);
- buf->bs_gid = INT_GET(dic->di_gid, ARCH_CONVERT);
- buf->bs_size = INT_GET(dic->di_size, ARCH_CONVERT);
- buf->bs_atime.tv_sec = INT_GET(dic->di_atime.t_sec, ARCH_CONVERT);
- buf->bs_atime.tv_nsec = INT_GET(dic->di_atime.t_nsec, ARCH_CONVERT);
- buf->bs_mtime.tv_sec = INT_GET(dic->di_mtime.t_sec, ARCH_CONVERT);
- buf->bs_mtime.tv_nsec = INT_GET(dic->di_mtime.t_nsec, ARCH_CONVERT);
- buf->bs_ctime.tv_sec = INT_GET(dic->di_ctime.t_sec, ARCH_CONVERT);
- buf->bs_ctime.tv_nsec = INT_GET(dic->di_ctime.t_nsec, ARCH_CONVERT);
+ buf->bs_mode = be16_to_cpu(dic->di_mode);
+ buf->bs_uid = be32_to_cpu(dic->di_uid);
+ buf->bs_gid = be32_to_cpu(dic->di_gid);
+ buf->bs_size = be64_to_cpu(dic->di_size);
+ buf->bs_atime.tv_sec = be32_to_cpu(dic->di_atime.t_sec);
+ buf->bs_atime.tv_nsec = be32_to_cpu(dic->di_atime.t_nsec);
+ buf->bs_mtime.tv_sec = be32_to_cpu(dic->di_mtime.t_sec);
+ 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(dic);
- buf->bs_extsize = INT_GET(dic->di_extsize, ARCH_CONVERT) << mp->m_sb.sb_blocklog;
- buf->bs_extents = INT_GET(dic->di_nextents, ARCH_CONVERT);
- buf->bs_gen = INT_GET(dic->di_gen, ARCH_CONVERT);
+ 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);
memset(buf->bs_pad, 0, sizeof(buf->bs_pad));
- buf->bs_dmevmask = INT_GET(dic->di_dmevmask, ARCH_CONVERT);
- buf->bs_dmstate = INT_GET(dic->di_dmstate, ARCH_CONVERT);
- buf->bs_aextents = INT_GET(dic->di_anextents, ARCH_CONVERT);
+ buf->bs_dmevmask = be32_to_cpu(dic->di_dmevmask);
+ buf->bs_dmstate = be16_to_cpu(dic->di_dmstate);
+ buf->bs_aextents = be16_to_cpu(dic->di_anextents);
- switch (INT_GET(dic->di_format, ARCH_CONVERT)) {
+ switch (dic->di_format) {
case XFS_DINODE_FMT_DEV:
- buf->bs_rdev = INT_GET(dip->di_u.di_dev, ARCH_CONVERT);
+ buf->bs_rdev = xfs_dinode_get_rdev(dic);
buf->bs_blksize = BLKDEV_IOSIZE;
buf->bs_blocks = 0;
break;
case XFS_DINODE_FMT_BTREE:
buf->bs_rdev = 0;
buf->bs_blksize = mp->m_sb.sb_blocksize;
- buf->bs_blocks = INT_GET(dic->di_nblocks, ARCH_CONVERT);
+ buf->bs_blocks = be64_to_cpu(dic->di_nblocks);
break;
}
+}
+/* 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 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 */
xfs_dinode_t *dip; /* dinode inode pointer */
dip = (xfs_dinode_t *)dibuff;
+ *stat = BULKSTAT_RV_NOTHING;
- if (!buffer || ino == mp->m_sb.sb_rbmino || ino == mp->m_sb.sb_rsumino ||
- (XFS_SB_VERSION_HASQUOTA(&mp->m_sb) &&
- (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino))) {
- *stat = BULKSTAT_RV_NOTHING;
+ if (!buffer || xfs_internal_inum(mp, ino))
return XFS_ERROR(EINVAL);
- }
- if (ubsize < sizeof(*buf)) {
- *stat = BULKSTAT_RV_NOTHING;
- return XFS_ERROR(ENOMEM);
- }
buf = kmem_alloc(sizeof(*buf), KM_SLEEP);
xfs_bulkstat_one_dinode(mp, ino, dip, buf);
}
- if (copy_to_user(buffer, buf, sizeof(*buf))) {
- *stat = BULKSTAT_RV_NOTHING;
- error = EFAULT;
+ error = formatter(buffer, ubsize, ubused, buf);
+ if (error)
goto out_free;
- }
*stat = BULKSTAT_RV_DIDONE;
- if (ubused)
- *ubused = sizeof(*buf);
out_free:
- kmem_free(buf, sizeof(*buf));
+ 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.
return 1;
dip = (xfs_dinode_t *)
xfs_buf_offset(bp, clustidx << mp->m_sb.sb_inodelog);
- if (INT_GET(dip->di_core.di_magic, ARCH_CONVERT) != XFS_DINODE_MAGIC ||
- !XFS_DINODE_GOOD_VERSION(
- INT_GET(dip->di_core.di_version, ARCH_CONVERT)))
+ /*
+ * Check the buffer containing the on-disk inode for di_mode == 0.
+ * This is to prevent xfs_bulkstat from picking up just reclaimed
+ * inodes that have their in-core state initialized but not flushed
+ * to disk yet. This is a temporary hack that would require a proper
+ * fix in the future.
+ */
+ 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 = INT_GET(dip->di_core.di_aformat, ARCH_CONVERT);
- if ((XFS_CFORK_Q(&dip->di_core) == 0) ||
+ 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;
}
return 1;
}
+#define XFS_BULKSTAT_UBLEFT(ubleft) ((ubleft) >= statstruct_size)
+
/*
* Return stat information in bulk (by-inode) for the filesystem.
*/
int end_of_ag; /* set if we've seen the ag end */
int error; /* error code */
int fmterror;/* bulkstat formatter result */
- __int32_t gcnt; /* current btree rec's count */
- xfs_inofree_t gfree; /* current btree rec's free mask */
- xfs_agino_t gino; /* current btree rec's start inode */
int i; /* loop index */
int icount; /* count of inodes good in irbuf */
size_t irbsize; /* size of irec buffer in bytes */
xfs_inobt_rec_incore_t *irbp; /* current irec buffer pointer */
xfs_inobt_rec_incore_t *irbuf; /* start of irec buffer */
xfs_inobt_rec_incore_t *irbufend; /* end of good irec buffer entries */
- xfs_ino_t lastino=0; /* last inode number returned */
+ xfs_ino_t lastino; /* last inode number returned */
int nbcluster; /* # of blocks in a cluster */
int nicluster; /* # of inodes in a cluster */
int nimask; /* mask for inode clusters */
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.
*/
ino = (xfs_ino_t)*lastinop;
+ lastino = ino;
dip = NULL;
agno = XFS_INO_TO_AGNO(mp, ino);
agino = XFS_INO_TO_AGINO(mp, ino);
*ubcountp = 0;
return 0;
}
+ if (!ubcountp || *ubcountp <= 0) {
+ return EINVAL;
+ }
ubcount = *ubcountp; /* statstruct's */
ubleft = ubcount * statstruct_size; /* bytes */
*ubcountp = ubelem = 0;
(XFS_INODE_CLUSTER_SIZE(mp) >> mp->m_sb.sb_inodelog);
nimask = ~(nicluster - 1);
nbcluster = nicluster >> mp->m_sb.sb_inopblog;
- irbuf = kmem_zalloc_greedy(&irbsize, NBPC, NBPC * 4,
+ irbuf = kmem_zalloc_greedy(&irbsize, PAGE_SIZE, PAGE_SIZE * 4,
KM_SLEEP | KM_MAYFAIL | KM_LARGE);
nirbuf = irbsize / sizeof(*irbuf);
* inode returned; 0 means start of the allocation group.
*/
rval = 0;
- while (ubleft >= statstruct_size && agno < mp->m_sb.sb_agcount) {
+ while (XFS_BULKSTAT_UBLEFT(ubleft) && agno < mp->m_sb.sb_agcount) {
+ cond_resched();
bp = NULL;
down_read(&mp->m_peraglock);
error = xfs_ialloc_read_agi(mp, NULL, agno, &agbp);
/*
* Allocate and initialize a btree cursor for ialloc btree.
*/
- cur = xfs_btree_init_cursor(mp, NULL, agbp, agno, XFS_BTNUM_INO,
- (xfs_inode_t *)0, 0);
+ cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno);
irbp = irbuf;
irbufend = irbuf + nirbuf;
end_of_ag = 0;
* we need to get the remainder of the chunk we're in.
*/
if (agino > 0) {
+ xfs_inobt_rec_incore_t r;
+
/*
* Lookup the inode chunk that this inode lives in.
*/
- error = xfs_inobt_lookup_le(cur, agino, 0, 0, &tmp);
+ error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_LE,
+ &tmp);
if (!error && /* no I/O error */
tmp && /* lookup succeeded */
/* got the record, should always work */
- !(error = xfs_inobt_get_rec(cur, &gino, &gcnt,
- &gfree, &i)) &&
+ !(error = xfs_inobt_get_rec(cur, &r, &i)) &&
i == 1 &&
/* this is the right chunk */
- agino < gino + XFS_INODES_PER_CHUNK &&
+ agino < r.ir_startino + XFS_INODES_PER_CHUNK &&
/* lastino was not last in chunk */
- (chunkidx = agino - gino + 1) <
+ (chunkidx = agino - r.ir_startino + 1) <
XFS_INODES_PER_CHUNK &&
/* there are some left allocated */
- XFS_INOBT_MASKN(chunkidx,
- XFS_INODES_PER_CHUNK - chunkidx) & ~gfree) {
+ xfs_inobt_maskn(chunkidx,
+ XFS_INODES_PER_CHUNK - chunkidx) &
+ ~r.ir_free) {
/*
* Grab the chunk record. Mark all the
* uninteresting inodes (because they're
* before our start point) free.
*/
for (i = 0; i < chunkidx; i++) {
- if (XFS_INOBT_MASK(i) & ~gfree)
- gcnt++;
+ if (XFS_INOBT_MASK(i) & ~r.ir_free)
+ r.ir_freecount++;
}
- gfree |= XFS_INOBT_MASKN(0, chunkidx);
- irbp->ir_startino = gino;
- irbp->ir_freecount = gcnt;
- irbp->ir_free = gfree;
+ r.ir_free |= xfs_inobt_maskn(0, chunkidx);
+ irbp->ir_startino = r.ir_startino;
+ irbp->ir_freecount = r.ir_freecount;
+ irbp->ir_free = r.ir_free;
irbp++;
- agino = gino + XFS_INODES_PER_CHUNK;
- icount = XFS_INODES_PER_CHUNK - gcnt;
+ agino = r.ir_startino + XFS_INODES_PER_CHUNK;
+ icount = XFS_INODES_PER_CHUNK - r.ir_freecount;
} else {
/*
* If any of those tests failed, bump the
* In any case, increment to the next record.
*/
if (!error)
- error = xfs_inobt_increment(cur, 0, &tmp);
+ error = xfs_btree_increment(cur, 0, &tmp);
} else {
/*
* Start of ag. Lookup the first inode chunk.
*/
- error = xfs_inobt_lookup_ge(cur, 0, 0, 0, &tmp);
+ error = xfs_inobt_lookup(cur, 0, XFS_LOOKUP_GE, &tmp);
icount = 0;
}
/*
* until we run out of inodes or space in the buffer.
*/
while (irbp < irbufend && icount < ubcount) {
+ xfs_inobt_rec_incore_t r;
+
/*
* Loop as long as we're unable to read the
* inode btree.
if (XFS_AGINO_TO_AGBNO(mp, agino) >=
be32_to_cpu(agi->agi_length))
break;
- error = xfs_inobt_lookup_ge(cur, agino, 0, 0,
- &tmp);
+ error = xfs_inobt_lookup(cur, agino,
+ XFS_LOOKUP_GE, &tmp);
+ cond_resched();
}
/*
* If ran off the end of the ag either with an error,
* or the normal way, set end and stop collecting.
*/
- if (error ||
- (error = xfs_inobt_get_rec(cur, &gino, &gcnt,
- &gfree, &i)) ||
- i == 0) {
+ if (error) {
+ end_of_ag = 1;
+ break;
+ }
+
+ error = xfs_inobt_get_rec(cur, &r, &i);
+ if (error || i == 0) {
end_of_ag = 1;
break;
}
+
/*
* If this chunk has any allocated inodes, save it.
* Also start read-ahead now for this chunk.
*/
- if (gcnt < XFS_INODES_PER_CHUNK) {
+ if (r.ir_freecount < XFS_INODES_PER_CHUNK) {
/*
* Loop over all clusters in the next chunk.
* Do a readahead if there are any allocated
* inodes in that cluster.
*/
- for (agbno = XFS_AGINO_TO_AGBNO(mp, gino),
- chunkidx = 0;
+ agbno = XFS_AGINO_TO_AGBNO(mp, r.ir_startino);
+ for (chunkidx = 0;
chunkidx < XFS_INODES_PER_CHUNK;
chunkidx += nicluster,
agbno += nbcluster) {
- if (XFS_INOBT_MASKN(chunkidx,
- nicluster) & ~gfree)
+ if (xfs_inobt_maskn(chunkidx, nicluster)
+ & ~r.ir_free)
xfs_btree_reada_bufs(mp, agno,
agbno, nbcluster);
}
- irbp->ir_startino = gino;
- irbp->ir_freecount = gcnt;
- irbp->ir_free = gfree;
+ irbp->ir_startino = r.ir_startino;
+ irbp->ir_freecount = r.ir_freecount;
+ irbp->ir_free = r.ir_free;
irbp++;
- icount += XFS_INODES_PER_CHUNK - gcnt;
+ icount += XFS_INODES_PER_CHUNK - r.ir_freecount;
}
/*
* Set agino to after this chunk and bump the cursor.
*/
- agino = gino + XFS_INODES_PER_CHUNK;
- error = xfs_inobt_increment(cur, 0, &tmp);
+ agino = r.ir_startino + XFS_INODES_PER_CHUNK;
+ error = xfs_btree_increment(cur, 0, &tmp);
+ cond_resched();
}
/*
* Drop the btree buffers and the agi buffer.
*/
irbufend = irbp;
for (irbp = irbuf;
- irbp < irbufend && ubleft >= statstruct_size; irbp++) {
+ irbp < irbufend && XFS_BULKSTAT_UBLEFT(ubleft); irbp++) {
/*
* Now process this chunk of inodes.
*/
for (agino = irbp->ir_startino, chunkidx = clustidx = 0;
- ubleft > 0 &&
+ XFS_BULKSTAT_UBLEFT(ubleft) &&
irbp->ir_freecount < XFS_INODES_PER_CHUNK;
chunkidx++, clustidx++, agino++) {
ASSERT(chunkidx < XFS_INODES_PER_CHUNK);
* 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).
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,
/*
* Get the inode cluster buffer
*/
- ASSERT(xfs_inode_zone != NULL);
- ip = kmem_zone_zalloc(xfs_inode_zone,
- KM_SLEEP);
- ip->i_ino = ino;
- ip->i_mount = mp;
if (bp)
xfs_buf_relse(bp);
- error = xfs_itobp(mp, NULL, ip,
- &dip, &bp, bno,
- XFS_IMAP_BULKSTAT);
+
+ error = xfs_inotobp(mp, NULL, ino, &dip,
+ &bp, &offset,
+ XFS_IGET_BULKSTAT);
+
if (!error)
- clustidx = ip->i_boffset / mp->m_sb.sb_inodesize;
- kmem_zone_free(xfs_inode_zone, 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)) {
}
}
}
+ ino = XFS_AGINO_TO_INO(mp, agno, agino);
+ bno = XFS_AGB_TO_DADDR(mp, agno, agbno);
/*
* Skip if this inode is free.
*/
- if (XFS_INOBT_MASK(chunkidx) & irbp->ir_free)
+ if (XFS_INOBT_MASK(chunkidx) & irbp->ir_free) {
+ lastino = ino;
continue;
+ }
/*
* Count used inodes as free so we can tell
* when the chunk is used up.
*/
irbp->ir_freecount++;
- ino = XFS_AGINO_TO_INO(mp, agno, agino);
- bno = XFS_AGB_TO_DADDR(mp, agno, agbno);
if (!xfs_bulkstat_use_dinode(mp, flags, bp,
- clustidx, &dip))
+ clustidx, &dip)) {
+ lastino = ino;
continue;
+ }
/*
* If we need to do an iget, cannot hold bp.
* Drop it, until starting the next cluster.
ubleft, private_data,
bno, &ubused, dip, &fmterror);
if (fmterror == BULKSTAT_RV_NOTHING) {
- if (error == EFAULT) {
- ubleft = 0;
- rval = error;
- break;
- }
- else if (error == ENOMEM)
+ if (error && error != ENOENT &&
+ error != EINVAL) {
ubleft = 0;
+ rval = error;
+ break;
+ }
+ lastino = ino;
continue;
}
if (fmterror == BULKSTAT_RV_GIVEUP) {
ubelem++;
lastino = ino;
}
+
+ cond_resched();
}
if (bp)
/*
* Set up for the next loop iteration.
*/
- if (ubleft > 0) {
+ if (XFS_BULKSTAT_UBLEFT(ubleft)) {
if (end_of_ag) {
agno++;
agino = 0;
/*
* Done, we're either out of filesystem or space to put the data.
*/
- kmem_free(irbuf, irbsize);
+ kmem_free(irbuf);
*ubcountp = ubelem;
+ /*
+ * Found some inodes, return them now and return the error next time.
+ */
+ if (ubelem)
+ rval = 0;
if (agno >= mp->m_sb.sb_agcount) {
/*
* If we ran out of filesystem, mark lastino as off
return 0;
}
+int
+xfs_inumbers_fmt(
+ void __user *ubuffer, /* buffer to write to */
+ const xfs_inogrp_t *buffer, /* buffer to read from */
+ long count, /* # of elements to read */
+ long *written) /* # of bytes written */
+{
+ if (copy_to_user(ubuffer, buffer, count * sizeof(*buffer)))
+ return -EFAULT;
+ *written = count * sizeof(*buffer);
+ return 0;
+}
+
/*
* Return inode number table for the filesystem.
*/
xfs_mount_t *mp, /* mount point for filesystem */
xfs_ino_t *lastino, /* last inode returned */
int *count, /* size of buffer/count returned */
- xfs_inogrp_t __user *ubuffer)/* buffer with inode descriptions */
+ void __user *ubuffer,/* buffer with inode descriptions */
+ inumbers_fmt_pf formatter)
{
xfs_buf_t *agbp;
xfs_agino_t agino;
int bufidx;
xfs_btree_cur_t *cur;
int error;
- __int32_t gcnt;
- xfs_inofree_t gfree;
- xfs_agino_t gino;
+ xfs_inobt_rec_incore_t r;
int i;
xfs_ino_t ino;
int left;
agino = XFS_INO_TO_AGINO(mp, ino);
left = *count;
*count = 0;
- bcount = MIN(left, (int)(NBPP / sizeof(*buffer)));
+ bcount = MIN(left, (int)(PAGE_SIZE / sizeof(*buffer)));
buffer = kmem_alloc(bcount * sizeof(*buffer), KM_SLEEP);
error = bufidx = 0;
cur = NULL;
agino = 0;
continue;
}
- cur = xfs_btree_init_cursor(mp, NULL, agbp, agno,
- XFS_BTNUM_INO, (xfs_inode_t *)0, 0);
- error = xfs_inobt_lookup_ge(cur, agino, 0, 0, &tmp);
+ cur = xfs_inobt_init_cursor(mp, NULL, agbp, agno);
+ error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_GE,
+ &tmp);
if (error) {
xfs_btree_del_cursor(cur, XFS_BTREE_ERROR);
cur = NULL;
xfs_buf_relse(agbp);
agbp = NULL;
/*
- * Move up the the last inode in the current
+ * Move up the last inode in the current
* chunk. The lookup_ge will always get
* us the first inode in the next chunk.
*/
continue;
}
}
- if ((error = xfs_inobt_get_rec(cur, &gino, &gcnt, &gfree,
- &i)) ||
- i == 0) {
+ error = xfs_inobt_get_rec(cur, &r, &i);
+ if (error || i == 0) {
xfs_buf_relse(agbp);
agbp = NULL;
xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR);
agino = 0;
continue;
}
- agino = gino + XFS_INODES_PER_CHUNK - 1;
- buffer[bufidx].xi_startino = XFS_AGINO_TO_INO(mp, agno, gino);
- buffer[bufidx].xi_alloccount = XFS_INODES_PER_CHUNK - gcnt;
- buffer[bufidx].xi_allocmask = ~gfree;
+ agino = r.ir_startino + XFS_INODES_PER_CHUNK - 1;
+ buffer[bufidx].xi_startino =
+ XFS_AGINO_TO_INO(mp, agno, r.ir_startino);
+ buffer[bufidx].xi_alloccount =
+ XFS_INODES_PER_CHUNK - r.ir_freecount;
+ buffer[bufidx].xi_allocmask = ~r.ir_free;
bufidx++;
left--;
if (bufidx == bcount) {
- if (copy_to_user(ubuffer, buffer,
- bufidx * sizeof(*buffer))) {
+ long written;
+ if (formatter(ubuffer, buffer, bufidx, &written)) {
error = XFS_ERROR(EFAULT);
break;
}
- ubuffer += bufidx;
+ ubuffer += written;
*count += bufidx;
bufidx = 0;
}
if (left) {
- error = xfs_inobt_increment(cur, 0, &tmp);
+ error = xfs_btree_increment(cur, 0, &tmp);
if (error) {
xfs_btree_del_cursor(cur, XFS_BTREE_ERROR);
cur = NULL;
}
if (!error) {
if (bufidx) {
- if (copy_to_user(ubuffer, buffer,
- bufidx * sizeof(*buffer)))
+ long written;
+ if (formatter(ubuffer, buffer, bufidx, &written))
error = XFS_ERROR(EFAULT);
else
*count += bufidx;
}
*lastino = XFS_AGINO_TO_INO(mp, agno, agino);
}
- kmem_free(buffer, bcount * sizeof(*buffer));
+ kmem_free(buffer);
if (cur)
xfs_btree_del_cursor(cur, (error ? XFS_BTREE_ERROR :
XFS_BTREE_NOERROR));
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff