#include "xfs_bit.h"
#include "xfs_log.h"
#include "xfs_inum.h"
-#include "xfs_imap.h"
#include "xfs_trans.h"
#include "xfs_trans_priv.h"
#include "xfs_sb.h"
xfs_imap_to_bp(
xfs_mount_t *mp,
xfs_trans_t *tp,
- xfs_imap_t *imap,
+ struct xfs_imap *imap,
xfs_buf_t **bpp,
uint buf_flags,
- uint imap_flags)
+ uint iget_flags)
{
int error;
int i;
dip = (xfs_dinode_t *)xfs_buf_offset(bp,
(i << mp->m_sb.sb_inodelog));
- di_ok = be16_to_cpu(dip->di_core.di_magic) == XFS_DINODE_MAGIC &&
- XFS_DINODE_GOOD_VERSION(dip->di_core.di_version);
+ di_ok = be16_to_cpu(dip->di_magic) == XFS_DINODE_MAGIC &&
+ XFS_DINODE_GOOD_VERSION(dip->di_version);
if (unlikely(XFS_TEST_ERROR(!di_ok, mp,
XFS_ERRTAG_ITOBP_INOTOBP,
XFS_RANDOM_ITOBP_INOTOBP))) {
- if (imap_flags & XFS_IMAP_BULKSTAT) {
+ if (iget_flags & XFS_IGET_BULKSTAT) {
xfs_trans_brelse(tp, bp);
return XFS_ERROR(EINVAL);
}
"daddr %lld #%d (magic=%x)",
XFS_BUFTARG_NAME(mp->m_ddev_targp),
(unsigned long long)imap->im_blkno, i,
- be16_to_cpu(dip->di_core.di_magic));
+ be16_to_cpu(dip->di_magic));
#endif
xfs_trans_brelse(tp, bp);
return XFS_ERROR(EFSCORRUPTED);
int *offset,
uint imap_flags)
{
- xfs_imap_t imap;
+ struct xfs_imap imap;
xfs_buf_t *bp;
int error;
imap.im_blkno = 0;
- error = xfs_imap(mp, tp, ino, &imap, imap_flags | XFS_IMAP_LOOKUP);
+ error = xfs_imap(mp, tp, ino, &imap, imap_flags);
if (error)
return error;
* If a non-zero error is returned, then the contents of bpp and
* dipp are undefined.
*
- * If the inode is new and has not yet been initialized, use xfs_imap()
- * to determine the size and location of the buffer to read from disk.
- * If the inode has already been mapped to its buffer and read in once,
- * then use the mapping information stored in the inode rather than
- * calling xfs_imap(). This allows us to avoid the overhead of looking
- * at the inode btree for small block file systems (see xfs_dilocate()).
- * We can tell whether the inode has been mapped in before by comparing
- * its disk block address to 0. Only uninitialized inodes will have
- * 0 for the disk block address.
+ * The inode is expected to already been mapped to its buffer and read
+ * in once, thus we can use the mapping information stored in the inode
+ * rather than calling xfs_imap(). This allows us to avoid the overhead
+ * of looking at the inode btree for small block file systems
+ * (see xfs_imap()).
*/
int
xfs_itobp(
xfs_inode_t *ip,
xfs_dinode_t **dipp,
xfs_buf_t **bpp,
- xfs_daddr_t bno,
- uint imap_flags,
uint buf_flags)
{
- xfs_imap_t imap;
xfs_buf_t *bp;
int error;
- if (ip->i_blkno == (xfs_daddr_t)0) {
- imap.im_blkno = bno;
- error = xfs_imap(mp, tp, ip->i_ino, &imap,
- XFS_IMAP_LOOKUP | imap_flags);
- if (error)
- return error;
-
- /*
- * Fill in the fields in the inode that will be used to
- * map the inode to its buffer from now on.
- */
- ip->i_blkno = imap.im_blkno;
- ip->i_len = imap.im_len;
- ip->i_boffset = imap.im_boffset;
- } else {
- /*
- * We've already mapped the inode once, so just use the
- * mapping that we saved the first time.
- */
- imap.im_blkno = ip->i_blkno;
- imap.im_len = ip->i_len;
- imap.im_boffset = ip->i_boffset;
- }
- ASSERT(bno == 0 || bno == imap.im_blkno);
+ ASSERT(ip->i_imap.im_blkno != 0);
- error = xfs_imap_to_bp(mp, tp, &imap, &bp, buf_flags, imap_flags);
+ error = xfs_imap_to_bp(mp, tp, &ip->i_imap, &bp, buf_flags, 0);
if (error)
return error;
return EAGAIN;
}
- *dipp = (xfs_dinode_t *)xfs_buf_offset(bp, imap.im_boffset);
+ *dipp = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_imap.im_boffset);
*bpp = bp;
return 0;
}
XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t);
error = 0;
- if (unlikely(be32_to_cpu(dip->di_core.di_nextents) +
- be16_to_cpu(dip->di_core.di_anextents) >
- be64_to_cpu(dip->di_core.di_nblocks))) {
+ if (unlikely(be32_to_cpu(dip->di_nextents) +
+ be16_to_cpu(dip->di_anextents) >
+ be64_to_cpu(dip->di_nblocks))) {
xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount,
"corrupt dinode %Lu, extent total = %d, nblocks = %Lu.",
(unsigned long long)ip->i_ino,
- (int)(be32_to_cpu(dip->di_core.di_nextents) +
- be16_to_cpu(dip->di_core.di_anextents)),
+ (int)(be32_to_cpu(dip->di_nextents) +
+ be16_to_cpu(dip->di_anextents)),
(unsigned long long)
- be64_to_cpu(dip->di_core.di_nblocks));
+ be64_to_cpu(dip->di_nblocks));
XFS_CORRUPTION_ERROR("xfs_iformat(1)", XFS_ERRLEVEL_LOW,
ip->i_mount, dip);
return XFS_ERROR(EFSCORRUPTED);
}
- if (unlikely(dip->di_core.di_forkoff > ip->i_mount->m_sb.sb_inodesize)) {
+ if (unlikely(dip->di_forkoff > ip->i_mount->m_sb.sb_inodesize)) {
xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount,
"corrupt dinode %Lu, forkoff = 0x%x.",
(unsigned long long)ip->i_ino,
- dip->di_core.di_forkoff);
+ dip->di_forkoff);
XFS_CORRUPTION_ERROR("xfs_iformat(2)", XFS_ERRLEVEL_LOW,
ip->i_mount, dip);
return XFS_ERROR(EFSCORRUPTED);
case S_IFCHR:
case S_IFBLK:
case S_IFSOCK:
- if (unlikely(dip->di_core.di_format != XFS_DINODE_FMT_DEV)) {
+ if (unlikely(dip->di_format != XFS_DINODE_FMT_DEV)) {
XFS_CORRUPTION_ERROR("xfs_iformat(3)", XFS_ERRLEVEL_LOW,
ip->i_mount, dip);
return XFS_ERROR(EFSCORRUPTED);
}
ip->i_d.di_size = 0;
ip->i_size = 0;
- ip->i_df.if_u2.if_rdev = be32_to_cpu(dip->di_u.di_dev);
+ ip->i_df.if_u2.if_rdev = xfs_dinode_get_rdev(dip);
break;
case S_IFREG:
case S_IFLNK:
case S_IFDIR:
- switch (dip->di_core.di_format) {
+ switch (dip->di_format) {
case XFS_DINODE_FMT_LOCAL:
/*
* no local regular files yet
*/
- if (unlikely((be16_to_cpu(dip->di_core.di_mode) & S_IFMT) == S_IFREG)) {
+ if (unlikely((be16_to_cpu(dip->di_mode) & S_IFMT) == S_IFREG)) {
xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount,
"corrupt inode %Lu "
"(local format for regular file).",
return XFS_ERROR(EFSCORRUPTED);
}
- di_size = be64_to_cpu(dip->di_core.di_size);
+ di_size = be64_to_cpu(dip->di_size);
if (unlikely(di_size > XFS_DFORK_DSIZE(dip, ip->i_mount))) {
xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount,
"corrupt inode %Lu "
ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP);
ip->i_afp->if_ext_max =
XFS_IFORK_ASIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t);
- switch (dip->di_core.di_aformat) {
+ switch (dip->di_aformat) {
case XFS_DINODE_FMT_LOCAL:
atp = (xfs_attr_shortform_t *)XFS_DFORK_APTR(dip);
size = be16_to_cpu(atp->hdr.totsize);
+
+ if (unlikely(size < sizeof(struct xfs_attr_sf_hdr))) {
+ xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount,
+ "corrupt inode %Lu "
+ "(bad attr fork size %Ld).",
+ (unsigned long long) ip->i_ino,
+ (long long) size);
+ XFS_CORRUPTION_ERROR("xfs_iformat(8)",
+ XFS_ERRLEVEL_LOW,
+ ip->i_mount, dip);
+ return XFS_ERROR(EFSCORRUPTED);
+ }
+
error = xfs_iformat_local(ip, dip, XFS_ATTR_FORK, size);
break;
case XFS_DINODE_FMT_EXTENTS:
void
xfs_dinode_from_disk(
xfs_icdinode_t *to,
- xfs_dinode_core_t *from)
+ xfs_dinode_t *from)
{
to->di_magic = be16_to_cpu(from->di_magic);
to->di_mode = be16_to_cpu(from->di_mode);
void
xfs_dinode_to_disk(
- xfs_dinode_core_t *to,
+ xfs_dinode_t *to,
xfs_icdinode_t *from)
{
to->di_magic = cpu_to_be16(from->di_magic);
xfs_dic2xflags(
xfs_dinode_t *dip)
{
- xfs_dinode_core_t *dic = &dip->di_core;
-
- return _xfs_dic2xflags(be16_to_cpu(dic->di_flags)) |
+ return _xfs_dic2xflags(be16_to_cpu(dip->di_flags)) |
(XFS_DFORK_Q(dip) ? XFS_XFLAG_HASATTR : 0);
}
/*
- * Allocate and initialise an xfs_inode.
- */
-STATIC struct xfs_inode *
-xfs_inode_alloc(
- struct xfs_mount *mp,
- xfs_ino_t ino)
-{
- struct xfs_inode *ip;
-
- /*
- * if this didn't occur in transactions, we could use
- * KM_MAYFAIL and return NULL here on ENOMEM. Set the
- * code up to do this anyway.
- */
- ip = kmem_zone_alloc(xfs_inode_zone, KM_SLEEP);
- if (!ip)
- return NULL;
-
- ASSERT(atomic_read(&ip->i_iocount) == 0);
- ASSERT(atomic_read(&ip->i_pincount) == 0);
- ASSERT(!spin_is_locked(&ip->i_flags_lock));
- ASSERT(completion_done(&ip->i_flush));
-
- /*
- * initialise the VFS inode here to get failures
- * out of the way early.
- */
- if (!inode_init_always(mp->m_super, VFS_I(ip))) {
- kmem_zone_free(xfs_inode_zone, ip);
- return NULL;
- }
-
- /* initialise the xfs inode */
- ip->i_ino = ino;
- ip->i_mount = mp;
- ip->i_blkno = 0;
- ip->i_len = 0;
- ip->i_boffset =0;
- ip->i_afp = NULL;
- memset(&ip->i_df, 0, sizeof(xfs_ifork_t));
- ip->i_flags = 0;
- ip->i_update_core = 0;
- ip->i_update_size = 0;
- ip->i_delayed_blks = 0;
- memset(&ip->i_d, 0, sizeof(xfs_icdinode_t));
- ip->i_size = 0;
- ip->i_new_size = 0;
-
- /*
- * Initialize inode's trace buffers.
- */
-#ifdef XFS_INODE_TRACE
- ip->i_trace = ktrace_alloc(INODE_TRACE_SIZE, KM_NOFS);
-#endif
-#ifdef XFS_BMAP_TRACE
- ip->i_xtrace = ktrace_alloc(XFS_BMAP_KTRACE_SIZE, KM_NOFS);
-#endif
-#ifdef XFS_BTREE_TRACE
- ip->i_btrace = ktrace_alloc(XFS_BMBT_KTRACE_SIZE, KM_NOFS);
-#endif
-#ifdef XFS_RW_TRACE
- ip->i_rwtrace = ktrace_alloc(XFS_RW_KTRACE_SIZE, KM_NOFS);
-#endif
-#ifdef XFS_ILOCK_TRACE
- ip->i_lock_trace = ktrace_alloc(XFS_ILOCK_KTRACE_SIZE, KM_NOFS);
-#endif
-#ifdef XFS_DIR2_TRACE
- ip->i_dir_trace = ktrace_alloc(XFS_DIR2_KTRACE_SIZE, KM_NOFS);
-#endif
-
- return ip;
-}
-
-/*
- * Given a mount structure and an inode number, return a pointer
- * to a newly allocated in-core inode corresponding to the given
- * inode number.
- *
- * Initialize the inode's attributes and extent pointers if it
- * already has them (it will not if the inode has no links).
+ * Read the disk inode attributes into the in-core inode structure.
*/
int
xfs_iread(
xfs_mount_t *mp,
xfs_trans_t *tp,
- xfs_ino_t ino,
- xfs_inode_t **ipp,
+ xfs_inode_t *ip,
xfs_daddr_t bno,
- uint imap_flags)
+ uint iget_flags)
{
xfs_buf_t *bp;
xfs_dinode_t *dip;
- xfs_inode_t *ip;
int error;
- ip = xfs_inode_alloc(mp, ino);
- if (!ip)
- return ENOMEM;
+ /*
+ * Fill in the location information in the in-core inode.
+ */
+ ip->i_imap.im_blkno = bno;
+ error = xfs_imap(mp, tp, ip->i_ino, &ip->i_imap, iget_flags);
+ if (error)
+ return error;
+ ASSERT(bno == 0 || bno == ip->i_imap.im_blkno);
/*
- * Get pointer's to the on-disk inode and the buffer containing it.
- * If the inode number refers to a block outside the file system
- * then xfs_itobp() will return NULL. In this case we should
- * return NULL as well. Set i_blkno to 0 so that xfs_itobp() will
- * know that this is a new incore inode.
+ * Get pointers to the on-disk inode and the buffer containing it.
*/
- error = xfs_itobp(mp, tp, ip, &dip, &bp, bno, imap_flags, XFS_BUF_LOCK);
- if (error) {
- xfs_idestroy(ip);
+ error = xfs_imap_to_bp(mp, tp, &ip->i_imap, &bp,
+ XFS_BUF_LOCK, iget_flags);
+ if (error)
return error;
- }
+ dip = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_imap.im_boffset);
/*
* If we got something that isn't an inode it means someone
* (nfs or dmi) has a stale handle.
*/
- if (be16_to_cpu(dip->di_core.di_magic) != XFS_DINODE_MAGIC) {
- xfs_idestroy(ip);
- xfs_trans_brelse(tp, bp);
+ if (be16_to_cpu(dip->di_magic) != XFS_DINODE_MAGIC) {
#ifdef DEBUG
xfs_fs_cmn_err(CE_ALERT, mp, "xfs_iread: "
- "dip->di_core.di_magic (0x%x) != "
+ "dip->di_magic (0x%x) != "
"XFS_DINODE_MAGIC (0x%x)",
- be16_to_cpu(dip->di_core.di_magic),
+ be16_to_cpu(dip->di_magic),
XFS_DINODE_MAGIC);
#endif /* DEBUG */
- return XFS_ERROR(EINVAL);
+ error = XFS_ERROR(EINVAL);
+ goto out_brelse;
}
/*
* specific information.
* Otherwise, just get the truly permanent information.
*/
- if (dip->di_core.di_mode) {
- xfs_dinode_from_disk(&ip->i_d, &dip->di_core);
+ if (dip->di_mode) {
+ xfs_dinode_from_disk(&ip->i_d, dip);
error = xfs_iformat(ip, dip);
if (error) {
- xfs_idestroy(ip);
- xfs_trans_brelse(tp, bp);
#ifdef DEBUG
xfs_fs_cmn_err(CE_ALERT, mp, "xfs_iread: "
"xfs_iformat() returned error %d",
error);
#endif /* DEBUG */
- return error;
+ goto out_brelse;
}
} else {
- ip->i_d.di_magic = be16_to_cpu(dip->di_core.di_magic);
- ip->i_d.di_version = dip->di_core.di_version;
- ip->i_d.di_gen = be32_to_cpu(dip->di_core.di_gen);
- ip->i_d.di_flushiter = be16_to_cpu(dip->di_core.di_flushiter);
+ ip->i_d.di_magic = be16_to_cpu(dip->di_magic);
+ ip->i_d.di_version = dip->di_version;
+ ip->i_d.di_gen = be32_to_cpu(dip->di_gen);
+ ip->i_d.di_flushiter = be16_to_cpu(dip->di_flushiter);
/*
* Make sure to pull in the mode here as well in
* case the inode is released without being used.
* the new format. We don't change the version number so that we
* can distinguish this from a real new format inode.
*/
- if (ip->i_d.di_version == XFS_DINODE_VERSION_1) {
+ if (ip->i_d.di_version == 1) {
ip->i_d.di_nlink = ip->i_d.di_onlink;
ip->i_d.di_onlink = 0;
ip->i_d.di_projid = 0;
* around for a while. This helps to keep recently accessed
* meta-data in-core longer.
*/
- XFS_BUF_SET_REF(bp, XFS_INO_REF);
+ XFS_BUF_SET_REF(bp, XFS_INO_REF);
/*
* Use xfs_trans_brelse() to release the buffer containing the
* to worry about the inode being changed just because we released
* the buffer.
*/
+ out_brelse:
xfs_trans_brelse(tp, bp);
- *ipp = ip;
- return 0;
+ return error;
}
/*
* here rather than here and in the flush/logging code.
*/
if (xfs_sb_version_hasnlink(&tp->t_mountp->m_sb) &&
- ip->i_d.di_version == XFS_DINODE_VERSION_1) {
- ip->i_d.di_version = XFS_DINODE_VERSION_2;
+ ip->i_d.di_version == 1) {
+ ip->i_d.di_version = 2;
/*
* We've already zeroed the old link count, the projid field,
* and the pad field.
/*
* Project ids won't be stored on disk if we are using a version 1 inode.
*/
- if ((prid != 0) && (ip->i_d.di_version == XFS_DINODE_VERSION_1))
+ if ((prid != 0) && (ip->i_d.di_version == 1))
xfs_bump_ino_vers2(tp, ip);
if (pip && XFS_INHERIT_GID(pip)) {
* direct I/O with the truncate operation. Also, because we hold
* the IOLOCK in exclusive mode, we prevent new direct I/Os from being
* started until the truncate completes and drops the lock. Essentially,
- * the vn_iowait() call forms an I/O barrier that provides strict ordering
- * between direct I/Os and the truncate operation.
+ * the xfs_ioend_wait() call forms an I/O barrier that provides strict
+ * ordering between direct I/Os and the truncate operation.
*
* The flags parameter can have either the value XFS_ITRUNC_DEFINITE
* or XFS_ITRUNC_MAYBE. The XFS_ITRUNC_MAYBE value should be used
/* wait for the completion of any pending DIOs */
if (new_size == 0 || new_size < ip->i_size)
- vn_iowait(ip);
+ xfs_ioend_wait(ip);
/*
* Call toss_pages or flushinval_pages to get rid of pages
* in this file with garbage in them once recovery
* runs.
*/
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
error = xfs_bunmapi(ntp, ip,
first_unmap_block, unmap_len,
- XFS_BMAPI_AFLAG(fork) |
+ xfs_bmapi_aflag(fork) |
(sync ? 0 : XFS_BMAPI_ASYNC),
XFS_ITRUNC_MAX_EXTENTS,
&first_block, &free_list,
xfs_trans_ijoin(ntp, ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);
xfs_trans_ihold(ntp, ip);
- if (!error)
- error = xfs_trans_reserve(ntp, 0,
+ if (error)
+ return error;
+ /*
+ * transaction commit worked ok so we can drop the extra ticket
+ * reference that we gained in xfs_trans_dup()
+ */
+ xfs_log_ticket_put(ntp->t_ticket);
+ error = xfs_trans_reserve(ntp, 0,
XFS_ITRUNCATE_LOG_RES(mp), 0,
XFS_TRANS_PERM_LOG_RES,
XFS_ITRUNCATE_LOG_COUNT);
xfs_dinode_t *dip;
xfs_buf_t *agibp;
xfs_buf_t *ibp;
- xfs_agnumber_t agno;
- xfs_daddr_t agdaddr;
xfs_agino_t agino;
short bucket_index;
int offset;
int error;
- int agi_ok;
ASSERT(ip->i_d.di_nlink == 0);
ASSERT(ip->i_d.di_mode != 0);
mp = tp->t_mountp;
- agno = XFS_INO_TO_AGNO(mp, ip->i_ino);
- agdaddr = XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp));
-
/*
* Get the agi buffer first. It ensures lock ordering
* on the list.
*/
- error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp, agdaddr,
- XFS_FSS_TO_BB(mp, 1), 0, &agibp);
+ error = xfs_read_agi(mp, tp, XFS_INO_TO_AGNO(mp, ip->i_ino), &agibp);
if (error)
return error;
-
- /*
- * Validate the magic number of the agi block.
- */
agi = XFS_BUF_TO_AGI(agibp);
- agi_ok =
- be32_to_cpu(agi->agi_magicnum) == XFS_AGI_MAGIC &&
- XFS_AGI_GOOD_VERSION(be32_to_cpu(agi->agi_versionnum));
- if (unlikely(XFS_TEST_ERROR(!agi_ok, mp, XFS_ERRTAG_IUNLINK,
- XFS_RANDOM_IUNLINK))) {
- XFS_CORRUPTION_ERROR("xfs_iunlink", XFS_ERRLEVEL_LOW, mp, agi);
- xfs_trans_brelse(tp, agibp);
- return XFS_ERROR(EFSCORRUPTED);
- }
+
/*
* Get the index into the agi hash table for the
* list this inode will go on.
* Here we put the head pointer into our next pointer,
* and then we fall through to point the head at us.
*/
- error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0, 0, XFS_BUF_LOCK);
+ error = xfs_itobp(mp, tp, ip, &dip, &ibp, XFS_BUF_LOCK);
if (error)
return error;
ASSERT(be32_to_cpu(dip->di_next_unlinked) == NULLAGINO);
/* both on-disk, don't endian flip twice */
dip->di_next_unlinked = agi->agi_unlinked[bucket_index];
- offset = ip->i_boffset +
+ offset = ip->i_imap.im_boffset +
offsetof(xfs_dinode_t, di_next_unlinked);
xfs_trans_inode_buf(tp, ibp);
xfs_trans_log_buf(tp, ibp, offset,
xfs_buf_t *agibp;
xfs_buf_t *ibp;
xfs_agnumber_t agno;
- xfs_daddr_t agdaddr;
xfs_agino_t agino;
xfs_agino_t next_agino;
xfs_buf_t *last_ibp;
short bucket_index;
int offset, last_offset = 0;
int error;
- int agi_ok;
- /*
- * First pull the on-disk inode from the AGI unlinked list.
- */
mp = tp->t_mountp;
-
agno = XFS_INO_TO_AGNO(mp, ip->i_ino);
- agdaddr = XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp));
/*
* Get the agi buffer first. It ensures lock ordering
* on the list.
*/
- error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp, agdaddr,
- XFS_FSS_TO_BB(mp, 1), 0, &agibp);
- if (error) {
- cmn_err(CE_WARN,
- "xfs_iunlink_remove: xfs_trans_read_buf() returned an error %d on %s. Returning error.",
- error, mp->m_fsname);
+ error = xfs_read_agi(mp, tp, agno, &agibp);
+ if (error)
return error;
- }
- /*
- * Validate the magic number of the agi block.
- */
+
agi = XFS_BUF_TO_AGI(agibp);
- agi_ok =
- be32_to_cpu(agi->agi_magicnum) == XFS_AGI_MAGIC &&
- XFS_AGI_GOOD_VERSION(be32_to_cpu(agi->agi_versionnum));
- if (unlikely(XFS_TEST_ERROR(!agi_ok, mp, XFS_ERRTAG_IUNLINK_REMOVE,
- XFS_RANDOM_IUNLINK_REMOVE))) {
- XFS_CORRUPTION_ERROR("xfs_iunlink_remove", XFS_ERRLEVEL_LOW,
- mp, agi);
- xfs_trans_brelse(tp, agibp);
- cmn_err(CE_WARN,
- "xfs_iunlink_remove: XFS_TEST_ERROR() returned an error on %s. Returning EFSCORRUPTED.",
- mp->m_fsname);
- return XFS_ERROR(EFSCORRUPTED);
- }
+
/*
* Get the index into the agi hash table for the
* list this inode will go on.
* of dealing with the buffer when there is no need to
* change it.
*/
- error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0, 0, XFS_BUF_LOCK);
+ error = xfs_itobp(mp, tp, ip, &dip, &ibp, XFS_BUF_LOCK);
if (error) {
cmn_err(CE_WARN,
"xfs_iunlink_remove: xfs_itobp() returned an error %d on %s. Returning error.",
ASSERT(next_agino != 0);
if (next_agino != NULLAGINO) {
dip->di_next_unlinked = cpu_to_be32(NULLAGINO);
- offset = ip->i_boffset +
+ offset = ip->i_imap.im_boffset +
offsetof(xfs_dinode_t, di_next_unlinked);
xfs_trans_inode_buf(tp, ibp);
xfs_trans_log_buf(tp, ibp, offset,
* Now last_ibp points to the buffer previous to us on
* the unlinked list. Pull us from the list.
*/
- error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0, 0, XFS_BUF_LOCK);
+ error = xfs_itobp(mp, tp, ip, &dip, &ibp, XFS_BUF_LOCK);
if (error) {
cmn_err(CE_WARN,
"xfs_iunlink_remove: xfs_itobp() returned an error %d on %s. Returning error.",
ASSERT(next_agino != agino);
if (next_agino != NULLAGINO) {
dip->di_next_unlinked = cpu_to_be32(NULLAGINO);
- offset = ip->i_boffset +
+ offset = ip->i_imap.im_boffset +
offsetof(xfs_dinode_t, di_next_unlinked);
xfs_trans_inode_buf(tp, ibp);
xfs_trans_log_buf(tp, ibp, offset,
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
- error = xfs_itobp(ip->i_mount, tp, ip, &dip, &ibp, 0, 0, XFS_BUF_LOCK);
+ error = xfs_itobp(ip->i_mount, tp, ip, &dip, &ibp, XFS_BUF_LOCK);
if (error)
return error;
* This is a temporary hack that would require a proper fix
* in the future.
*/
- dip->di_core.di_mode = 0;
+ dip->di_mode = 0;
if (delete) {
xfs_ifree_cluster(ip, tp, first_ino);
ASSERT(ifp->if_bytes <= XFS_IFORK_SIZE(ip, whichfork));
}
-
-
-
-/*
- * Map inode to disk block and offset.
- *
- * mp -- the mount point structure for the current file system
- * tp -- the current transaction
- * ino -- the inode number of the inode to be located
- * imap -- this structure is filled in with the information necessary
- * to retrieve the given inode from disk
- * flags -- flags to pass to xfs_dilocate indicating whether or not
- * lookups in the inode btree were OK or not
- */
-int
-xfs_imap(
- xfs_mount_t *mp,
- xfs_trans_t *tp,
- xfs_ino_t ino,
- xfs_imap_t *imap,
- uint flags)
-{
- xfs_fsblock_t fsbno;
- int len;
- int off;
- int error;
-
- fsbno = imap->im_blkno ?
- XFS_DADDR_TO_FSB(mp, imap->im_blkno) : NULLFSBLOCK;
- error = xfs_dilocate(mp, tp, ino, &fsbno, &len, &off, flags);
- if (error)
- return error;
-
- imap->im_blkno = XFS_FSB_TO_DADDR(mp, fsbno);
- imap->im_len = XFS_FSB_TO_BB(mp, len);
- imap->im_agblkno = XFS_FSB_TO_AGBNO(mp, fsbno);
- imap->im_ioffset = (ushort)off;
- imap->im_boffset = (ushort)(off << mp->m_sb.sb_inodelog);
-
- /*
- * If the inode number maps to a block outside the bounds
- * of the file system then return NULL rather than calling
- * read_buf and panicing when we get an error from the
- * driver.
- */
- if ((imap->im_blkno + imap->im_len) >
- XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks)) {
- xfs_fs_cmn_err(CE_ALERT, mp, "xfs_imap: "
- "(imap->im_blkno (0x%llx) + imap->im_len (0x%llx)) > "
- " XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks) (0x%llx)",
- (unsigned long long) imap->im_blkno,
- (unsigned long long) imap->im_len,
- XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks));
- return EINVAL;
- }
- return 0;
-}
-
void
xfs_idestroy_fork(
xfs_inode_t *ip,
}
/*
- * This is called free all the memory associated with an inode.
- * It must free the inode itself and any buffers allocated for
- * if_extents/if_data and if_broot. It must also free the lock
- * associated with the inode.
- *
- * Note: because we don't initialise everything on reallocation out
- * of the zone, we must ensure we nullify everything correctly before
- * freeing the structure.
- */
-void
-xfs_idestroy(
- xfs_inode_t *ip)
-{
- switch (ip->i_d.di_mode & S_IFMT) {
- case S_IFREG:
- case S_IFDIR:
- case S_IFLNK:
- xfs_idestroy_fork(ip, XFS_DATA_FORK);
- break;
- }
- if (ip->i_afp)
- xfs_idestroy_fork(ip, XFS_ATTR_FORK);
-
-#ifdef XFS_INODE_TRACE
- ktrace_free(ip->i_trace);
-#endif
-#ifdef XFS_BMAP_TRACE
- ktrace_free(ip->i_xtrace);
-#endif
-#ifdef XFS_BTREE_TRACE
- ktrace_free(ip->i_btrace);
-#endif
-#ifdef XFS_RW_TRACE
- ktrace_free(ip->i_rwtrace);
-#endif
-#ifdef XFS_ILOCK_TRACE
- ktrace_free(ip->i_lock_trace);
-#endif
-#ifdef XFS_DIR2_TRACE
- ktrace_free(ip->i_dir_trace);
-#endif
- if (ip->i_itemp) {
- /*
- * Only if we are shutting down the fs will we see an
- * inode still in the AIL. If it is there, we should remove
- * it to prevent a use-after-free from occurring.
- */
- xfs_log_item_t *lip = &ip->i_itemp->ili_item;
- struct xfs_ail *ailp = lip->li_ailp;
-
- ASSERT(((lip->li_flags & XFS_LI_IN_AIL) == 0) ||
- XFS_FORCED_SHUTDOWN(ip->i_mount));
- if (lip->li_flags & XFS_LI_IN_AIL) {
- spin_lock(&ailp->xa_lock);
- if (lip->li_flags & XFS_LI_IN_AIL)
- xfs_trans_ail_delete(ailp, lip);
- else
- spin_unlock(&ailp->xa_lock);
- }
- xfs_inode_item_destroy(ip);
- ip->i_itemp = NULL;
- }
- /* asserts to verify all state is correct here */
- ASSERT(atomic_read(&ip->i_iocount) == 0);
- ASSERT(atomic_read(&ip->i_pincount) == 0);
- ASSERT(!spin_is_locked(&ip->i_flags_lock));
- ASSERT(completion_done(&ip->i_flush));
- kmem_zone_free(xfs_inode_zone, ip);
-}
-
-
-/*
* Increment the pin count of the given buffer.
* This value is protected by ipinlock spinlock in the mount structure.
*/
for (i = 0; i < nrecs; i++) {
xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i);
start_block = xfs_bmbt_get_startblock(ep);
- if (ISNULLSTARTBLOCK(start_block)) {
+ if (isnullstartblock(start_block)) {
/*
* It's a delayed allocation extent, so skip it.
*/
case XFS_DINODE_FMT_DEV:
if (iip->ili_format.ilf_fields & XFS_ILOG_DEV) {
ASSERT(whichfork == XFS_DATA_FORK);
- dip->di_u.di_dev = cpu_to_be32(ip->i_df.if_u2.if_rdev);
+ xfs_dinode_put_rdev(dip, ip->i_df.if_u2.if_rdev);
}
break;
case XFS_DINODE_FMT_UUID:
if (iip->ili_format.ilf_fields & XFS_ILOG_UUID) {
ASSERT(whichfork == XFS_DATA_FORK);
- memcpy(&dip->di_u.di_muuid, &ip->i_df.if_u2.if_uuid,
- sizeof(uuid_t));
+ memcpy(XFS_DFORK_DPTR(dip),
+ &ip->i_df.if_u2.if_uuid,
+ sizeof(uuid_t));
}
break;
XFS_BUF_CLR_BDSTRAT_FUNC(bp);
XFS_BUF_UNDONE(bp);
XFS_BUF_STALE(bp);
- XFS_BUF_SHUT(bp);
XFS_BUF_ERROR(bp,EIO);
xfs_biodone(bp);
} else {
/*
* Get the buffer containing the on-disk inode.
*/
- error = xfs_itobp(mp, NULL, ip, &dip, &bp, 0, 0,
+ error = xfs_itobp(mp, NULL, ip, &dip, &bp,
noblock ? XFS_BUF_TRYLOCK : XFS_BUF_LOCK);
if (error || !bp) {
xfs_ifunlock(ip);
}
/* set *dip = inode's place in the buffer */
- dip = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_boffset);
+ dip = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_imap.im_boffset);
/*
* Clear i_update_core before copying out the data.
*/
xfs_synchronize_atime(ip);
- if (XFS_TEST_ERROR(be16_to_cpu(dip->di_core.di_magic) != XFS_DINODE_MAGIC,
+ if (XFS_TEST_ERROR(be16_to_cpu(dip->di_magic) != XFS_DINODE_MAGIC,
mp, XFS_ERRTAG_IFLUSH_1, XFS_RANDOM_IFLUSH_1)) {
xfs_cmn_err(XFS_PTAG_IFLUSH, CE_ALERT, mp,
"xfs_iflush: Bad inode %Lu magic number 0x%x, ptr 0x%p",
- ip->i_ino, be16_to_cpu(dip->di_core.di_magic), dip);
+ ip->i_ino, be16_to_cpu(dip->di_magic), dip);
goto corrupt_out;
}
if (XFS_TEST_ERROR(ip->i_d.di_magic != XFS_DINODE_MAGIC,
* because if the inode is dirty at all the core must
* be.
*/
- xfs_dinode_to_disk(&dip->di_core, &ip->i_d);
+ xfs_dinode_to_disk(dip, &ip->i_d);
/* Wrap, we never let the log put out DI_MAX_FLUSH */
if (ip->i_d.di_flushiter == DI_MAX_FLUSH)
* convert back to the old inode format. If the superblock version
* has been updated, then make the conversion permanent.
*/
- ASSERT(ip->i_d.di_version == XFS_DINODE_VERSION_1 ||
- xfs_sb_version_hasnlink(&mp->m_sb));
- if (ip->i_d.di_version == XFS_DINODE_VERSION_1) {
+ ASSERT(ip->i_d.di_version == 1 || xfs_sb_version_hasnlink(&mp->m_sb));
+ if (ip->i_d.di_version == 1) {
if (!xfs_sb_version_hasnlink(&mp->m_sb)) {
/*
* Convert it back.
*/
ASSERT(ip->i_d.di_nlink <= XFS_MAXLINK_1);
- dip->di_core.di_onlink = cpu_to_be16(ip->i_d.di_nlink);
+ dip->di_onlink = cpu_to_be16(ip->i_d.di_nlink);
} else {
/*
* The superblock version has already been bumped,
* so just make the conversion to the new inode
* format permanent.
*/
- ip->i_d.di_version = XFS_DINODE_VERSION_2;
- dip->di_core.di_version = XFS_DINODE_VERSION_2;
+ ip->i_d.di_version = 2;
+ dip->di_version = 2;
ip->i_d.di_onlink = 0;
- dip->di_core.di_onlink = 0;
+ dip->di_onlink = 0;
memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
- memset(&(dip->di_core.di_pad[0]), 0,
- sizeof(dip->di_core.di_pad));
+ memset(&(dip->di_pad[0]), 0,
+ sizeof(dip->di_pad));
ASSERT(ip->i_d.di_projid == 0);
}
}
#ifdef XFS_ILOCK_TRACE
-ktrace_t *xfs_ilock_trace_buf;
-
void
xfs_ilock_trace(xfs_inode_t *ip, int lock, unsigned int lockflags, inst_t *ra)
{
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff