#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
-#include "xfs_dir2.h"
#include "xfs_mount.h"
#include "xfs_da_btree.h"
#include "xfs_bmap_btree.h"
-#include "xfs_dir2_sf.h"
+#include "xfs_dir2.h"
+#include "xfs_dir2_format.h"
+#include "xfs_dir2_priv.h"
#include "xfs_dinode.h"
#include "xfs_inode.h"
#include "xfs_inode_item.h"
#include "xfs_bmap.h"
#include "xfs_attr.h"
#include "xfs_attr_leaf.h"
-#include "xfs_dir2_data.h"
-#include "xfs_dir2_leaf.h"
-#include "xfs_dir2_block.h"
-#include "xfs_dir2_node.h"
#include "xfs_error.h"
#include "xfs_trace.h"
*/
STATIC uint xfs_da_node_lasthash(xfs_dabuf_t *bp, int *count);
STATIC int xfs_da_node_order(xfs_dabuf_t *node1_bp, xfs_dabuf_t *node2_bp);
-STATIC xfs_dabuf_t *xfs_da_buf_make(int nbuf, xfs_buf_t **bps, inst_t *ra);
+STATIC xfs_dabuf_t *xfs_da_buf_make(int nbuf, xfs_buf_t **bps);
STATIC int xfs_da_blk_unlink(xfs_da_state_t *state,
xfs_da_state_blk_t *drop_blk,
xfs_da_state_blk_t *save_blk);
return(error);
}
+#ifdef DEBUG
+static void
+xfs_da_blkinfo_onlychild_validate(struct xfs_da_blkinfo *blkinfo, __u16 level)
+{
+ __be16 magic = blkinfo->magic;
+
+ if (level == 1) {
+ ASSERT(magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) ||
+ magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC));
+ } else
+ ASSERT(magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
+ ASSERT(!blkinfo->forw);
+ ASSERT(!blkinfo->back);
+}
+#else /* !DEBUG */
+#define xfs_da_blkinfo_onlychild_validate(blkinfo, level)
+#endif /* !DEBUG */
+
/*
* We have only one entry in the root. Copy the only remaining child of
* the old root to block 0 as the new root node.
xfs_da_root_join(xfs_da_state_t *state, xfs_da_state_blk_t *root_blk)
{
xfs_da_intnode_t *oldroot;
- /* REFERENCED */
- xfs_da_blkinfo_t *blkinfo;
xfs_da_args_t *args;
xfs_dablk_t child;
xfs_dabuf_t *bp;
if (error)
return(error);
ASSERT(bp != NULL);
- blkinfo = bp->data;
- if (be16_to_cpu(oldroot->hdr.level) == 1) {
- ASSERT(blkinfo->magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) ||
- blkinfo->magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC));
- } else {
- ASSERT(blkinfo->magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
- }
- ASSERT(!blkinfo->forw);
- ASSERT(!blkinfo->back);
+ xfs_da_blkinfo_onlychild_validate(bp->data,
+ be16_to_cpu(oldroot->hdr.level));
+
memcpy(root_blk->bp->data, bp->data, state->blocksize);
xfs_da_log_buf(args->trans, root_blk->bp, 0, state->blocksize - 1);
error = xfs_da_shrink_inode(args, child, bp);
.compname = xfs_da_compname
};
-/*
- * Add a block to the btree ahead of the file.
- * Return the new block number to the caller.
- */
int
-xfs_da_grow_inode(xfs_da_args_t *args, xfs_dablk_t *new_blkno)
+xfs_da_grow_inode_int(
+ struct xfs_da_args *args,
+ xfs_fileoff_t *bno,
+ int count)
{
- xfs_fileoff_t bno, b;
- xfs_bmbt_irec_t map;
- xfs_bmbt_irec_t *mapp;
- xfs_inode_t *dp;
- int nmap, error, w, count, c, got, i, mapi;
- xfs_trans_t *tp;
- xfs_mount_t *mp;
- xfs_drfsbno_t nblks;
-
- dp = args->dp;
- mp = dp->i_mount;
- w = args->whichfork;
- tp = args->trans;
- nblks = dp->i_d.di_nblocks;
+ struct xfs_trans *tp = args->trans;
+ struct xfs_inode *dp = args->dp;
+ int w = args->whichfork;
+ xfs_drfsbno_t nblks = dp->i_d.di_nblocks;
+ struct xfs_bmbt_irec map, *mapp;
+ int nmap, error, got, i, mapi;
- /*
- * For new directories adjust the file offset and block count.
- */
- if (w == XFS_DATA_FORK) {
- bno = mp->m_dirleafblk;
- count = mp->m_dirblkfsbs;
- } else {
- bno = 0;
- count = 1;
- }
/*
* Find a spot in the file space to put the new block.
*/
- if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, w)))
+ error = xfs_bmap_first_unused(tp, dp, count, bno, w);
+ if (error)
return error;
- if (w == XFS_DATA_FORK)
- ASSERT(bno >= mp->m_dirleafblk && bno < mp->m_dirfreeblk);
+
/*
* Try mapping it in one filesystem block.
*/
nmap = 1;
ASSERT(args->firstblock != NULL);
- if ((error = xfs_bmapi(tp, dp, bno, count,
+ error = xfs_bmapi(tp, dp, *bno, count,
xfs_bmapi_aflag(w)|XFS_BMAPI_WRITE|XFS_BMAPI_METADATA|
XFS_BMAPI_CONTIG,
args->firstblock, args->total, &map, &nmap,
- args->flist))) {
+ args->flist);
+ if (error)
return error;
- }
+
ASSERT(nmap <= 1);
if (nmap == 1) {
mapp = ↦
mapi = 1;
- }
- /*
- * If we didn't get it and the block might work if fragmented,
- * try without the CONTIG flag. Loop until we get it all.
- */
- else if (nmap == 0 && count > 1) {
+ } else if (nmap == 0 && count > 1) {
+ xfs_fileoff_t b;
+ int c;
+
+ /*
+ * If we didn't get it and the block might work if fragmented,
+ * try without the CONTIG flag. Loop until we get it all.
+ */
mapp = kmem_alloc(sizeof(*mapp) * count, KM_SLEEP);
- for (b = bno, mapi = 0; b < bno + count; ) {
+ for (b = *bno, mapi = 0; b < *bno + count; ) {
nmap = MIN(XFS_BMAP_MAX_NMAP, count);
- c = (int)(bno + count - b);
- if ((error = xfs_bmapi(tp, dp, b, c,
+ c = (int)(*bno + count - b);
+ error = xfs_bmapi(tp, dp, b, c,
xfs_bmapi_aflag(w)|XFS_BMAPI_WRITE|
XFS_BMAPI_METADATA,
args->firstblock, args->total,
- &mapp[mapi], &nmap, args->flist))) {
- kmem_free(mapp);
- return error;
- }
+ &mapp[mapi], &nmap, args->flist);
+ if (error)
+ goto out_free_map;
if (nmap < 1)
break;
mapi += nmap;
mapi = 0;
mapp = NULL;
}
+
/*
* Count the blocks we got, make sure it matches the total.
*/
for (i = 0, got = 0; i < mapi; i++)
got += mapp[i].br_blockcount;
- if (got != count || mapp[0].br_startoff != bno ||
+ if (got != count || mapp[0].br_startoff != *bno ||
mapp[mapi - 1].br_startoff + mapp[mapi - 1].br_blockcount !=
- bno + count) {
- if (mapp != &map)
- kmem_free(mapp);
- return XFS_ERROR(ENOSPC);
+ *bno + count) {
+ error = XFS_ERROR(ENOSPC);
+ goto out_free_map;
}
- if (mapp != &map)
- kmem_free(mapp);
+
/* account for newly allocated blocks in reserved blocks total */
args->total -= dp->i_d.di_nblocks - nblks;
- *new_blkno = (xfs_dablk_t)bno;
- return 0;
+
+out_free_map:
+ if (mapp != &map)
+ kmem_free(mapp);
+ return error;
+}
+
+/*
+ * Add a block to the btree ahead of the file.
+ * Return the new block number to the caller.
+ */
+int
+xfs_da_grow_inode(
+ struct xfs_da_args *args,
+ xfs_dablk_t *new_blkno)
+{
+ xfs_fileoff_t bno;
+ int count;
+ int error;
+
+ if (args->whichfork == XFS_DATA_FORK) {
+ bno = args->dp->i_mount->m_dirleafblk;
+ count = args->dp->i_mount->m_dirblkfsbs;
+ } else {
+ bno = 0;
+ count = 1;
+ }
+
+ error = xfs_da_grow_inode_int(args, &bno, count);
+ if (!error)
+ *new_blkno = (xfs_dablk_t)bno;
+ return error;
}
/*
xfs_daddr_t *mappedbnop,
xfs_dabuf_t **bpp,
int whichfork,
- int caller,
- inst_t *ra)
+ int caller)
{
xfs_buf_t *bp = NULL;
xfs_buf_t **bplist;
case 0:
bp = xfs_trans_get_buf(trans, mp->m_ddev_targp,
mappedbno, nmapped, 0);
- error = bp ? XFS_BUF_GETERROR(bp) : XFS_ERROR(EIO);
+ error = bp ? bp->b_error : XFS_ERROR(EIO);
break;
case 1:
case 2:
* Build a dabuf structure.
*/
if (bplist) {
- rbp = xfs_da_buf_make(nbplist, bplist, ra);
+ rbp = xfs_da_buf_make(nbplist, bplist);
} else if (bp)
- rbp = xfs_da_buf_make(1, &bp, ra);
+ rbp = xfs_da_buf_make(1, &bp);
else
rbp = NULL;
/*
xfs_dabuf_t **bpp,
int whichfork)
{
- return xfs_da_do_buf(trans, dp, bno, &mappedbno, bpp, whichfork, 0,
- (inst_t *)__return_address);
+ return xfs_da_do_buf(trans, dp, bno, &mappedbno, bpp, whichfork, 0);
}
/*
xfs_dabuf_t **bpp,
int whichfork)
{
- return xfs_da_do_buf(trans, dp, bno, &mappedbno, bpp, whichfork, 1,
- (inst_t *)__return_address);
+ return xfs_da_do_buf(trans, dp, bno, &mappedbno, bpp, whichfork, 1);
}
/*
xfs_daddr_t rval;
rval = -1;
- if (xfs_da_do_buf(trans, dp, bno, &rval, NULL, whichfork, 3,
- (inst_t *)__return_address))
+ if (xfs_da_do_buf(trans, dp, bno, &rval, NULL, whichfork, 3))
return -1;
else
return rval;
kmem_zone_free(xfs_da_state_zone, state);
}
-#ifdef XFS_DABUF_DEBUG
-xfs_dabuf_t *xfs_dabuf_global_list;
-static DEFINE_SPINLOCK(xfs_dabuf_global_lock);
-#endif
-
/*
* Create a dabuf.
*/
/* ARGSUSED */
STATIC xfs_dabuf_t *
-xfs_da_buf_make(int nbuf, xfs_buf_t **bps, inst_t *ra)
+xfs_da_buf_make(int nbuf, xfs_buf_t **bps)
{
xfs_buf_t *bp;
xfs_dabuf_t *dabuf;
else
dabuf = kmem_alloc(XFS_DA_BUF_SIZE(nbuf), KM_NOFS);
dabuf->dirty = 0;
-#ifdef XFS_DABUF_DEBUG
- dabuf->ra = ra;
- dabuf->target = XFS_BUF_TARGET(bps[0]);
- dabuf->blkno = XFS_BUF_ADDR(bps[0]);
-#endif
if (nbuf == 1) {
dabuf->nbuf = 1;
bp = bps[0];
dabuf->bbcount = (short)BTOBB(XFS_BUF_COUNT(bp));
- dabuf->data = XFS_BUF_PTR(bp);
+ dabuf->data = bp->b_addr;
dabuf->bps[0] = bp;
} else {
dabuf->nbuf = nbuf;
dabuf->data = kmem_alloc(BBTOB(dabuf->bbcount), KM_SLEEP);
for (i = off = 0; i < nbuf; i++, off += XFS_BUF_COUNT(bp)) {
bp = bps[i];
- memcpy((char *)dabuf->data + off, XFS_BUF_PTR(bp),
+ memcpy((char *)dabuf->data + off, bp->b_addr,
XFS_BUF_COUNT(bp));
}
}
-#ifdef XFS_DABUF_DEBUG
- {
- xfs_dabuf_t *p;
-
- spin_lock(&xfs_dabuf_global_lock);
- for (p = xfs_dabuf_global_list; p; p = p->next) {
- ASSERT(p->blkno != dabuf->blkno ||
- p->target != dabuf->target);
- }
- dabuf->prev = NULL;
- if (xfs_dabuf_global_list)
- xfs_dabuf_global_list->prev = dabuf;
- dabuf->next = xfs_dabuf_global_list;
- xfs_dabuf_global_list = dabuf;
- spin_unlock(&xfs_dabuf_global_lock);
- }
-#endif
return dabuf;
}
for (i = off = 0; i < dabuf->nbuf;
i++, off += XFS_BUF_COUNT(bp)) {
bp = dabuf->bps[i];
- memcpy(XFS_BUF_PTR(bp), (char *)dabuf->data + off,
- XFS_BUF_COUNT(bp));
+ memcpy(bp->b_addr, dabuf->data + off,
+ XFS_BUF_COUNT(bp));
}
}
}
ASSERT(dabuf->nbuf && dabuf->data && dabuf->bbcount && dabuf->bps[0]);
if (dabuf->dirty)
xfs_da_buf_clean(dabuf);
- if (dabuf->nbuf > 1)
+ if (dabuf->nbuf > 1) {
kmem_free(dabuf->data);
-#ifdef XFS_DABUF_DEBUG
- {
- spin_lock(&xfs_dabuf_global_lock);
- if (dabuf->prev)
- dabuf->prev->next = dabuf->next;
- else
- xfs_dabuf_global_list = dabuf->next;
- if (dabuf->next)
- dabuf->next->prev = dabuf->prev;
- spin_unlock(&xfs_dabuf_global_lock);
- }
- memset(dabuf, 0, XFS_DA_BUF_SIZE(dabuf->nbuf));
-#endif
- if (dabuf->nbuf == 1)
- kmem_zone_free(xfs_dabuf_zone, dabuf);
- else
kmem_free(dabuf);
+ } else {
+ kmem_zone_free(xfs_dabuf_zone, dabuf);
+ }
}
/*
ASSERT(dabuf->nbuf && dabuf->data && dabuf->bbcount && dabuf->bps[0]);
if (dabuf->nbuf == 1) {
- ASSERT(dabuf->data == (void *)XFS_BUF_PTR(dabuf->bps[0]));
+ ASSERT(dabuf->data == dabuf->bps[0]->b_addr);
xfs_trans_log_buf(tp, dabuf->bps[0], first, last);
return;
}
git.openpandora.org / pandora-kernel.git / blobdiff