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Diffstat (limited to 'fs/xfs/xfs_dir2.c')
-rw-r--r--fs/xfs/xfs_dir2.c156
1 files changed, 29 insertions, 127 deletions
diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c
index dba7a71..a2e2701 100644
--- a/fs/xfs/xfs_dir2.c
+++ b/fs/xfs/xfs_dir2.c
@@ -24,20 +24,17 @@
#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_alloc_btree.h"
-#include "xfs_dir2_sf.h"
#include "xfs_dinode.h"
#include "xfs_inode.h"
#include "xfs_inode_item.h"
#include "xfs_bmap.h"
-#include "xfs_dir2_data.h"
-#include "xfs_dir2_leaf.h"
-#include "xfs_dir2_block.h"
-#include "xfs_dir2_node.h"
+#include "xfs_dir2.h"
+#include "xfs_dir2_format.h"
+#include "xfs_dir2_priv.h"
#include "xfs_error.h"
#include "xfs_vnodeops.h"
#include "xfs_trace.h"
@@ -122,15 +119,15 @@ int
xfs_dir_isempty(
xfs_inode_t *dp)
{
- xfs_dir2_sf_t *sfp;
+ xfs_dir2_sf_hdr_t *sfp;
- ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
+ ASSERT(S_ISDIR(dp->i_d.di_mode));
if (dp->i_d.di_size == 0) /* might happen during shutdown. */
return 1;
if (dp->i_d.di_size > XFS_IFORK_DSIZE(dp))
return 0;
- sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data;
- return !sfp->hdr.count;
+ sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
+ return !sfp->count;
}
/*
@@ -182,7 +179,7 @@ xfs_dir_init(
memset((char *)&args, 0, sizeof(args));
args.dp = dp;
args.trans = tp;
- ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
+ ASSERT(S_ISDIR(dp->i_d.di_mode));
if ((error = xfs_dir_ino_validate(tp->t_mountp, pdp->i_ino)))
return error;
return xfs_dir2_sf_create(&args, pdp->i_ino);
@@ -205,7 +202,7 @@ xfs_dir_createname(
int rval;
int v; /* type-checking value */
- ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
+ ASSERT(S_ISDIR(dp->i_d.di_mode));
if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum)))
return rval;
XFS_STATS_INC(xs_dir_create);
@@ -281,7 +278,7 @@ xfs_dir_lookup(
int rval;
int v; /* type-checking value */
- ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
+ ASSERT(S_ISDIR(dp->i_d.di_mode));
XFS_STATS_INC(xs_dir_lookup);
memset(&args, 0, sizeof(xfs_da_args_t));
@@ -336,7 +333,7 @@ xfs_dir_removename(
int rval;
int v; /* type-checking value */
- ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
+ ASSERT(S_ISDIR(dp->i_d.di_mode));
XFS_STATS_INC(xs_dir_remove);
memset(&args, 0, sizeof(xfs_da_args_t));
@@ -385,7 +382,7 @@ xfs_readdir(
if (XFS_FORCED_SHUTDOWN(dp->i_mount))
return XFS_ERROR(EIO);
- ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
+ ASSERT(S_ISDIR(dp->i_d.di_mode));
XFS_STATS_INC(xs_dir_getdents);
if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
@@ -417,7 +414,7 @@ xfs_dir_replace(
int rval;
int v; /* type-checking value */
- ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
+ ASSERT(S_ISDIR(dp->i_d.di_mode));
if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum)))
return rval;
@@ -467,7 +464,7 @@ xfs_dir_canenter(
if (resblks)
return 0;
- ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
+ ASSERT(S_ISDIR(dp->i_d.di_mode));
memset(&args, 0, sizeof(xfs_da_args_t));
args.name = name->name;
@@ -500,129 +497,34 @@ xfs_dir_canenter(
/*
* Add a block to the directory.
- * This routine is for data and free blocks, not leaf/node blocks
- * which are handled by xfs_da_grow_inode.
+ *
+ * This routine is for data and free blocks, not leaf/node blocks which are
+ * handled by xfs_da_grow_inode.
*/
int
xfs_dir2_grow_inode(
- xfs_da_args_t *args,
- int space, /* v2 dir's space XFS_DIR2_xxx_SPACE */
- xfs_dir2_db_t *dbp) /* out: block number added */
+ struct xfs_da_args *args,
+ int space, /* v2 dir's space XFS_DIR2_xxx_SPACE */
+ xfs_dir2_db_t *dbp) /* out: block number added */
{
- xfs_fileoff_t bno; /* directory offset of new block */
- int count; /* count of filesystem blocks */
- xfs_inode_t *dp; /* incore directory inode */
- int error;
- int got; /* blocks actually mapped */
- int i;
- xfs_bmbt_irec_t map; /* single structure for bmap */
- int mapi; /* mapping index */
- xfs_bmbt_irec_t *mapp; /* bmap mapping structure(s) */
- xfs_mount_t *mp;
- int nmap; /* number of bmap entries */
- xfs_trans_t *tp;
- xfs_drfsbno_t nblks;
+ struct xfs_inode *dp = args->dp;
+ struct xfs_mount *mp = dp->i_mount;
+ xfs_fileoff_t bno; /* directory offset of new block */
+ int count; /* count of filesystem blocks */
+ int error;
trace_xfs_dir2_grow_inode(args, space);
- dp = args->dp;
- tp = args->trans;
- mp = dp->i_mount;
- nblks = dp->i_d.di_nblocks;
/*
* Set lowest possible block in the space requested.
*/
bno = XFS_B_TO_FSBT(mp, space * XFS_DIR2_SPACE_SIZE);
count = mp->m_dirblkfsbs;
- /*
- * Find the first hole for our block.
- */
- if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, XFS_DATA_FORK)))
- return error;
- nmap = 1;
- ASSERT(args->firstblock != NULL);
- /*
- * Try mapping the new block contiguously (one extent).
- */
- if ((error = xfs_bmapi(tp, dp, bno, count,
- XFS_BMAPI_WRITE|XFS_BMAPI_METADATA|XFS_BMAPI_CONTIG,
- args->firstblock, args->total, &map, &nmap,
- args->flist)))
- return error;
- ASSERT(nmap <= 1);
- if (nmap == 1) {
- mapp = &map;
- mapi = 1;
- }
- /*
- * Didn't work and this is a multiple-fsb directory block.
- * Try again with contiguous flag turned on.
- */
- else if (nmap == 0 && count > 1) {
- xfs_fileoff_t b; /* current file offset */
- /*
- * Space for maximum number of mappings.
- */
- mapp = kmem_alloc(sizeof(*mapp) * count, KM_SLEEP);
- /*
- * Iterate until we get to the end of our block.
- */
- for (b = bno, mapi = 0; b < bno + count; ) {
- int c; /* current fsb count */
-
- /*
- * Can't map more than MAX_NMAP at once.
- */
- nmap = MIN(XFS_BMAP_MAX_NMAP, count);
- c = (int)(bno + count - b);
- if ((error = xfs_bmapi(tp, dp, b, c,
- XFS_BMAPI_WRITE|XFS_BMAPI_METADATA,
- args->firstblock, args->total,
- &mapp[mapi], &nmap, args->flist))) {
- kmem_free(mapp);
- return error;
- }
- if (nmap < 1)
- break;
- /*
- * Add this bunch into our table, go to the next offset.
- */
- mapi += nmap;
- b = mapp[mapi - 1].br_startoff +
- mapp[mapi - 1].br_blockcount;
- }
- }
- /*
- * Didn't work.
- */
- else {
- mapi = 0;
- mapp = NULL;
- }
- /*
- * See how many fsb's we got.
- */
- for (i = 0, got = 0; i < mapi; i++)
- got += mapp[i].br_blockcount;
- /*
- * Didn't get enough fsb's, or the first/last block's are wrong.
- */
- 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);
- }
- /*
- * Done with the temporary mapping table.
- */
- if (mapp != &map)
- kmem_free(mapp);
+ error = xfs_da_grow_inode_int(args, &bno, count);
+ if (error)
+ return error;
- /* account for newly allocated blocks in reserved blocks total */
- args->total -= dp->i_d.di_nblocks - nblks;
*dbp = xfs_dir2_da_to_db(mp, (xfs_dablk_t)bno);
/*
@@ -634,7 +536,7 @@ xfs_dir2_grow_inode(
size = XFS_FSB_TO_B(mp, bno + count);
if (size > dp->i_d.di_size) {
dp->i_d.di_size = size;
- xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE);
+ xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE);
}
}
return 0;