#include "xfs_trans_space.h"
#include "xfs_buf_item.h"
#include "xfs_filestream.h"
+#include "xfs_vnodeops.h"
#ifdef DEBUG
* Else, *lastxp will be set to the index of the found
* entry; *gotp will contain the entry.
*/
-STATIC xfs_bmbt_rec_t * /* pointer to found extent entry */
+STATIC xfs_bmbt_rec_host_t * /* pointer to found extent entry */
xfs_bmap_search_extents(
xfs_inode_t *ip, /* incore inode pointer */
xfs_fileoff_t bno, /* block number searched for */
char *aeof); /* return value */
#ifdef XFS_BMAP_TRACE
-/*
- * Add a bmap trace buffer entry. Base routine for the others.
- */
-STATIC void
-xfs_bmap_trace_addentry(
- int opcode, /* operation */
- const char *fname, /* function name */
- char *desc, /* operation description */
- xfs_inode_t *ip, /* incore inode pointer */
- xfs_extnum_t idx, /* index of entry(ies) */
- xfs_extnum_t cnt, /* count of entries, 1 or 2 */
- xfs_bmbt_rec_t *r1, /* first record */
- xfs_bmbt_rec_t *r2, /* second record or null */
- int whichfork); /* data or attr fork */
-
/*
* Add bmap trace entry prior to a call to xfs_iext_remove.
*/
{
xfs_btree_cur_t *cur; /* btree cursor */
int diff; /* temp value */
- xfs_bmbt_rec_t *ep; /* extent entry for idx */
+ xfs_bmbt_rec_host_t *ep; /* extent entry for idx */
int error; /* error return value */
int i; /* temp state */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_extdelta_t *delta) /* Change made to incore extents */
{
xfs_btree_cur_t *cur; /* btree cursor */
- xfs_bmbt_rec_t *ep; /* extent entry for idx */
+ xfs_bmbt_rec_host_t *ep; /* extent entry for idx */
int error; /* error return value */
int i; /* temp state */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_extdelta_t *delta, /* Change made to incore extents */
int rsvd) /* OK to allocate reserved blocks */
{
- xfs_bmbt_rec_t *ep; /* extent record for idx */
+ xfs_bmbt_rec_host_t *ep; /* extent record for idx */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_bmbt_irec_t left; /* left neighbor extent entry */
xfs_filblks_t newlen=0; /* new indirect size */
xfs_extdelta_t *delta, /* Change made to incore extents */
int whichfork) /* data or attr fork */
{
- xfs_bmbt_rec_t *ep; /* pointer to extent entry ins. point */
+ xfs_bmbt_rec_host_t *ep; /* pointer to extent entry ins. point */
int error; /* error return value */
int i; /* temp state */
xfs_ifork_t *ifp; /* inode fork pointer */
args.prod = align;
if ((args.mod = (xfs_extlen_t)do_mod(ap->off, args.prod)))
args.mod = (xfs_extlen_t)(args.prod - args.mod);
- } else if (mp->m_sb.sb_blocksize >= NBPP) {
+ } else if (mp->m_sb.sb_blocksize >= PAGE_CACHE_SIZE) {
args.prod = 1;
args.mod = 0;
} else {
- args.prod = NBPP >> mp->m_sb.sb_blocklog;
+ args.prod = PAGE_CACHE_SIZE >> mp->m_sb.sb_blocklog;
if ((args.mod = (xfs_extlen_t)(do_mod(ap->off, args.prod))))
args.mod = (xfs_extlen_t)(args.prod - args.mod);
}
xfs_bmap_alloc(
xfs_bmalloca_t *ap) /* bmap alloc argument struct */
{
- if ((ap->ip->i_d.di_flags & XFS_DIFLAG_REALTIME) && ap->userdata)
+ if (XFS_IS_REALTIME_INODE(ap->ip) && ap->userdata)
return xfs_bmap_rtalloc(ap);
return xfs_bmap_btalloc(ap);
}
xfs_fileoff_t del_endoff; /* first offset past del */
int delay; /* current block is delayed allocated */
int do_fx; /* free extent at end of routine */
- xfs_bmbt_rec_t *ep; /* current extent entry pointer */
+ xfs_bmbt_rec_host_t *ep; /* current extent entry pointer */
int error; /* error return value */
int flags; /* inode logging flags */
xfs_bmbt_irec_t got; /* current extent entry */
/*
* Realtime allocation. Free it and record di_nblocks update.
*/
- if (whichfork == XFS_DATA_FORK &&
- (ip->i_d.di_flags & XFS_DIFLAG_REALTIME)) {
+ if (whichfork == XFS_DATA_FORK && XFS_IS_REALTIME_INODE(ip)) {
xfs_fsblock_t bno;
xfs_filblks_t len;
xfs_bmbt_rec_t *arp; /* child record pointer */
xfs_bmbt_block_t *block; /* btree root block */
xfs_btree_cur_t *cur; /* bmap btree cursor */
- xfs_bmbt_rec_t *ep; /* extent record pointer */
+ xfs_bmbt_rec_host_t *ep; /* extent record pointer */
int error; /* error return value */
xfs_extnum_t i, cnt; /* extent record index */
xfs_ifork_t *ifp; /* inode fork pointer */
for (cnt = i = 0; i < nextents; i++) {
ep = xfs_iext_get_ext(ifp, i);
if (!ISNULLSTARTBLOCK(xfs_bmbt_get_startblock(ep))) {
- arp->l0 = INT_GET(ep->l0, ARCH_CONVERT);
- arp->l1 = INT_GET(ep->l1, ARCH_CONVERT);
+ arp->l0 = cpu_to_be64(ep->l0);
+ arp->l1 = cpu_to_be64(ep->l1);
arp++; cnt++;
}
}
if (ifp->if_bytes) {
xfs_alloc_arg_t args; /* allocation arguments */
xfs_buf_t *bp; /* buffer for extent block */
- xfs_bmbt_rec_t *ep; /* extent record pointer */
+ xfs_bmbt_rec_host_t *ep;/* extent record pointer */
args.tp = tp;
args.mp = ip->i_mount;
* entry (null if none). Else, *lastxp will be set to the index
* of the found entry; *gotp will contain the entry.
*/
-xfs_bmbt_rec_t * /* pointer to found extent entry */
+xfs_bmbt_rec_host_t * /* pointer to found extent entry */
xfs_bmap_search_multi_extents(
xfs_ifork_t *ifp, /* inode fork pointer */
xfs_fileoff_t bno, /* block number searched for */
xfs_bmbt_irec_t *gotp, /* out: extent entry found */
xfs_bmbt_irec_t *prevp) /* out: previous extent entry found */
{
- xfs_bmbt_rec_t *ep; /* extent record pointer */
+ xfs_bmbt_rec_host_t *ep; /* extent record pointer */
xfs_extnum_t lastx; /* last extent index */
/*
* Else, *lastxp will be set to the index of the found
* entry; *gotp will contain the entry.
*/
-STATIC xfs_bmbt_rec_t * /* pointer to found extent entry */
+STATIC xfs_bmbt_rec_host_t * /* pointer to found extent entry */
xfs_bmap_search_extents(
xfs_inode_t *ip, /* incore inode pointer */
xfs_fileoff_t bno, /* block number searched for */
xfs_bmbt_irec_t *prevp) /* out: previous extent entry found */
{
xfs_ifork_t *ifp; /* inode fork pointer */
- xfs_bmbt_rec_t *ep; /* extent record pointer */
+ xfs_bmbt_rec_host_t *ep; /* extent record pointer */
XFS_STATS_INC(xs_look_exlist);
ifp = XFS_IFORK_PTR(ip, fork);
xfs_inode_t *ip, /* incore inode pointer */
xfs_extnum_t idx, /* index of entry(ies) */
xfs_extnum_t cnt, /* count of entries, 1 or 2 */
- xfs_bmbt_rec_t *r1, /* first record */
- xfs_bmbt_rec_t *r2, /* second record or null */
+ xfs_bmbt_rec_host_t *r1, /* first record */
+ xfs_bmbt_rec_host_t *r2, /* second record or null */
int whichfork) /* data or attr fork */
{
- xfs_bmbt_rec_t tr2;
+ xfs_bmbt_rec_host_t tr2;
ASSERT(cnt == 1 || cnt == 2);
ASSERT(r1 != NULL);
xfs_bmbt_irec_t *r2, /* inserted record 2 or null */
int whichfork) /* data or attr fork */
{
- xfs_bmbt_rec_t tr1; /* compressed record 1 */
- xfs_bmbt_rec_t tr2; /* compressed record 2 if needed */
+ xfs_bmbt_rec_host_t tr1; /* compressed record 1 */
+ xfs_bmbt_rec_host_t tr2; /* compressed record 2 if needed */
xfs_bmbt_set_all(&tr1, r1);
if (cnt == 2) {
xfs_bmap_free_t flist; /* freed extent records */
xfs_mount_t *mp; /* mount structure */
xfs_trans_t *tp; /* transaction pointer */
- unsigned long s; /* spinlock spl value */
int blks; /* space reservation */
int version = 1; /* superblock attr version */
int committed; /* xaction was committed */
(!XFS_SB_VERSION_HASATTR2(&mp->m_sb) && version == 2)) {
__int64_t sbfields = 0;
- s = XFS_SB_LOCK(mp);
+ spin_lock(&mp->m_sb_lock);
if (!XFS_SB_VERSION_HASATTR(&mp->m_sb)) {
XFS_SB_VERSION_ADDATTR(&mp->m_sb);
sbfields |= XFS_SB_VERSIONNUM;
sbfields |= (XFS_SB_VERSIONNUM | XFS_SB_FEATURES2);
}
if (sbfields) {
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp, sbfields);
} else
- XFS_SB_UNLOCK(mp, s);
+ spin_unlock(&mp->m_sb_lock);
}
if ((error = xfs_bmap_finish(&tp, &flist, &committed)))
goto error2;
xfs_fileoff_t *first_unused, /* unused block */
int whichfork) /* data or attr fork */
{
- xfs_bmbt_rec_t *ep; /* pointer to an extent entry */
int error; /* error return value */
int idx; /* extent record index */
xfs_ifork_t *ifp; /* inode fork pointer */
lowest = *first_unused;
nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t);
for (idx = 0, lastaddr = 0, max = lowest; idx < nextents; idx++) {
- ep = xfs_iext_get_ext(ifp, idx);
+ xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, idx);
off = xfs_bmbt_get_startoff(ep);
/*
* See if the hole before this extent will work.
{
xfs_fileoff_t bno; /* input file offset */
int eof; /* hit end of file */
- xfs_bmbt_rec_t *ep; /* pointer to last extent */
+ xfs_bmbt_rec_host_t *ep; /* pointer to last extent */
int error; /* error return value */
xfs_bmbt_irec_t got; /* current extent value */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_fileoff_t *last_block, /* last block */
int whichfork) /* data or attr fork */
{
- xfs_bmbt_rec_t *ep; /* pointer to last extent */
+ xfs_bmbt_rec_host_t *ep; /* pointer to last extent */
int error; /* error return value */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_extnum_t nextents; /* number of extent entries */
xfs_inode_t *ip, /* incore inode */
int whichfork) /* data or attr fork */
{
- xfs_bmbt_rec_t *ep; /* ptr to fork's extent */
+ xfs_bmbt_rec_host_t *ep; /* ptr to fork's extent */
xfs_ifork_t *ifp; /* inode fork pointer */
int rval; /* return value */
xfs_bmbt_irec_t s; /* internal version of extent */
* Loop over all leaf nodes. Copy information to the extent records.
*/
for (;;) {
- xfs_bmbt_rec_t *frp, *trp;
+ xfs_bmbt_rec_t *frp;
xfs_fsblock_t nextbno;
xfs_extnum_t num_recs;
xfs_extnum_t start;
frp = XFS_BTREE_REC_ADDR(xfs_bmbt, block, 1);
start = i;
for (j = 0; j < num_recs; j++, i++, frp++) {
- trp = xfs_iext_get_ext(ifp, i);
- trp->l0 = INT_GET(frp->l0, ARCH_CONVERT);
- trp->l1 = INT_GET(frp->l1, ARCH_CONVERT);
+ xfs_bmbt_rec_host_t *trp = xfs_iext_get_ext(ifp, i);
+ trp->l0 = be64_to_cpu(frp->l0);
+ trp->l1 = be64_to_cpu(frp->l1);
}
if (exntf == XFS_EXTFMT_NOSTATE) {
/*
xfs_extnum_t cnt, /* count of entries in the list */
int whichfork) /* data or attr fork */
{
- xfs_bmbt_rec_t *ep; /* current extent record */
+ xfs_bmbt_rec_host_t *ep; /* current extent record */
xfs_extnum_t idx; /* extent record index */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_bmbt_irec_t s; /* file extent record */
xfs_btree_cur_t *cur; /* bmap btree cursor */
xfs_fileoff_t end; /* end of mapped file region */
int eof; /* we've hit the end of extents */
- xfs_bmbt_rec_t *ep; /* extent record pointer */
+ xfs_bmbt_rec_host_t *ep; /* extent record pointer */
int error; /* error return */
xfs_bmbt_irec_t got; /* current file extent record */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_btree_cur_t *cur; /* bmap btree cursor */
xfs_bmbt_irec_t del; /* extent being deleted */
int eof; /* is deleting at eof */
- xfs_bmbt_rec_t *ep; /* extent record pointer */
+ xfs_bmbt_rec_host_t *ep; /* extent record pointer */
int error; /* error return value */
xfs_extnum_t extno; /* extent number in list */
xfs_bmbt_irec_t got; /* current extent record */
return error;
}
+/*
+ * returns 1 for success, 0 if we failed to map the extent.
+ */
+STATIC int
+xfs_getbmapx_fix_eof_hole(
+ xfs_inode_t *ip, /* xfs incore inode pointer */
+ struct getbmap *out, /* output structure */
+ int prealloced, /* this is a file with
+ * preallocated data space */
+ __int64_t end, /* last block requested */
+ xfs_fsblock_t startblock)
+{
+ __int64_t fixlen;
+ xfs_mount_t *mp; /* file system mount point */
+
+ if (startblock == HOLESTARTBLOCK) {
+ mp = ip->i_mount;
+ out->bmv_block = -1;
+ fixlen = XFS_FSB_TO_BB(mp, XFS_B_TO_FSB(mp, ip->i_size));
+ fixlen -= out->bmv_offset;
+ if (prealloced && out->bmv_offset + out->bmv_length == end) {
+ /* Came to hole at EOF. Trim it. */
+ if (fixlen <= 0)
+ return 0;
+ out->bmv_length = fixlen;
+ }
+ } else {
+ out->bmv_block = XFS_FSB_TO_DB(ip, startblock);
+ }
+
+ return 1;
+}
+
/*
* Fcntl interface to xfs_bmapi.
*/
int /* error code */
xfs_getbmap(
- bhv_desc_t *bdp, /* XFS behavior descriptor*/
+ xfs_inode_t *ip,
struct getbmap *bmv, /* user bmap structure */
void __user *ap, /* pointer to user's array */
int interface) /* interface flags */
int error; /* return value */
__int64_t fixlen; /* length for -1 case */
int i; /* extent number */
- xfs_inode_t *ip; /* xfs incore inode pointer */
bhv_vnode_t *vp; /* corresponding vnode */
int lock; /* lock state */
xfs_bmbt_irec_t *map; /* buffer for user's data */
int bmapi_flags; /* flags for xfs_bmapi */
__int32_t oflags; /* getbmapx bmv_oflags field */
- vp = BHV_TO_VNODE(bdp);
- ip = XFS_BHVTOI(bdp);
+ vp = XFS_ITOV(ip);
mp = ip->i_mount;
whichfork = interface & BMV_IF_ATTRFORK ? XFS_ATTR_FORK : XFS_DATA_FORK;
* could misinterpret holes in a DMAPI file as true holes,
* when in fact they may represent offline user data.
*/
- if ( (interface & BMV_IF_NO_DMAPI_READ) == 0
- && DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ)
- && whichfork == XFS_DATA_FORK) {
-
+ if ((interface & BMV_IF_NO_DMAPI_READ) == 0 &&
+ DM_EVENT_ENABLED(ip, DM_EVENT_READ) &&
+ whichfork == XFS_DATA_FORK) {
error = XFS_SEND_DATA(mp, DM_EVENT_READ, vp, 0, 0, 0, NULL);
if (error)
return XFS_ERROR(error);
if (whichfork == XFS_DATA_FORK &&
(ip->i_delayed_blks || ip->i_size > ip->i_d.di_size)) {
/* xfs_fsize_t last_byte = xfs_file_last_byte(ip); */
- error = bhv_vop_flush_pages(vp, (xfs_off_t)0, -1, 0, FI_REMAPF);
+ error = xfs_flush_pages(ip, (xfs_off_t)0,
+ -1, 0, FI_REMAPF);
}
ASSERT(whichfork == XFS_ATTR_FORK || ip->i_delayed_blks == 0);
out.bmv_length = XFS_FSB_TO_BB(mp, map[i].br_blockcount);
ASSERT(map[i].br_startblock != DELAYSTARTBLOCK);
if (map[i].br_startblock == HOLESTARTBLOCK &&
- ((prealloced && out.bmv_offset + out.bmv_length == bmvend) ||
- whichfork == XFS_ATTR_FORK )) {
- /*
- * came to hole at end of file or the end of
- attribute fork
- */
+ whichfork == XFS_ATTR_FORK) {
+ /* came to the end of attribute fork */
goto unlock_and_return;
} else {
- out.bmv_block =
- (map[i].br_startblock == HOLESTARTBLOCK) ?
- -1 :
- XFS_FSB_TO_DB(ip, map[i].br_startblock);
+ if (!xfs_getbmapx_fix_eof_hole(ip, &out,
+ prealloced, bmvend,
+ map[i].br_startblock)) {
+ goto unlock_and_return;
+ }
/* return either getbmap/getbmapx structure. */
if (interface & BMV_IF_EXTENDED) {
{
int error; /* error return value */
xfs_ifork_t *ifp; /* inode fork pointer */
- xfs_bmbt_rec_t *lastrec; /* extent record pointer */
+ xfs_bmbt_rec_host_t *lastrec; /* extent record pointer */
xfs_extnum_t nextents; /* number of file extents */
xfs_bmbt_irec_t s; /* expanded extent record */
xfs_fsblock_t blockcount; /* extent block count */
int error; /* error return value */
xfs_ifork_t *ifp; /* inode fork pointer */
- xfs_bmbt_rec_t *lastrec; /* extent record pointer */
+ xfs_bmbt_rec_host_t *lastrec; /* extent record pointer */
xfs_extnum_t nextents; /* number of file extents */
xfs_fileoff_t startoff; /* extent starting file offset */
* Recursively walks each level of a btree
* to count total fsblocks is use.
*/
-int /* error */
+STATIC int /* error */
xfs_bmap_count_tree(
xfs_mount_t *mp, /* file system mount point */
xfs_trans_t *tp, /* transaction pointer */
/*
* Count leaf blocks given a range of extent records.
*/
-int
+STATIC int
xfs_bmap_count_leaves(
xfs_ifork_t *ifp,
xfs_extnum_t idx,
int *count)
{
int b;
- xfs_bmbt_rec_t *frp;
for (b = 0; b < numrecs; b++) {
- frp = xfs_iext_get_ext(ifp, idx + b);
+ xfs_bmbt_rec_host_t *frp = xfs_iext_get_ext(ifp, idx + b);
*count += xfs_bmbt_get_blockcount(frp);
}
return 0;
* Count leaf blocks given a range of extent records originally
* in btree format.
*/
-int
+STATIC int
xfs_bmap_disk_count_leaves(
xfs_extnum_t idx,
xfs_bmbt_block_t *block,
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