diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/xfs_bmap.c | 107 | ||||
| -rw-r--r-- | fs/xfs/xfs_bmap.h | 8 |
2 files changed, 0 insertions, 115 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 2d702e4a74a3..d384e489705f 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -3467,113 +3467,6 @@ done: return error; } -xfs_bmbt_rec_t * /* pointer to found extent entry */ -xfs_bmap_do_search_extents( - xfs_bmbt_rec_t *base, /* base of extent list */ - xfs_extnum_t lastx, /* last extent index used */ - xfs_extnum_t nextents, /* number of file extents */ - xfs_fileoff_t bno, /* block number searched for */ - int *eofp, /* out: end of file found */ - xfs_extnum_t *lastxp, /* out: last extent index */ - 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 list entry pointer */ - xfs_bmbt_irec_t got; /* extent list entry, decoded */ - int high; /* high index of binary search */ - int low; /* low index of binary search */ - - /* - * Initialize the extent entry structure to catch access to - * uninitialized br_startblock field. - */ - got.br_startoff = 0xffa5a5a5a5a5a5a5LL; - got.br_blockcount = 0xa55a5a5a5a5a5a5aLL; - got.br_state = XFS_EXT_INVALID; - -#if XFS_BIG_BLKNOS - got.br_startblock = 0xffffa5a5a5a5a5a5LL; -#else - got.br_startblock = 0xffffa5a5; -#endif - - if (lastx != NULLEXTNUM && lastx < nextents) - ep = base + lastx; - else - ep = NULL; - prevp->br_startoff = NULLFILEOFF; - if (ep && bno >= (got.br_startoff = xfs_bmbt_get_startoff(ep)) && - bno < got.br_startoff + - (got.br_blockcount = xfs_bmbt_get_blockcount(ep))) - *eofp = 0; - else if (ep && lastx < nextents - 1 && - bno >= (got.br_startoff = xfs_bmbt_get_startoff(ep + 1)) && - bno < got.br_startoff + - (got.br_blockcount = xfs_bmbt_get_blockcount(ep + 1))) { - lastx++; - ep++; - *eofp = 0; - } else if (nextents == 0) - *eofp = 1; - else if (bno == 0 && - (got.br_startoff = xfs_bmbt_get_startoff(base)) == 0) { - ep = base; - lastx = 0; - got.br_blockcount = xfs_bmbt_get_blockcount(ep); - *eofp = 0; - } else { - low = 0; - high = nextents - 1; - /* binary search the extents array */ - while (low <= high) { - XFS_STATS_INC(xs_cmp_exlist); - lastx = (low + high) >> 1; - ep = base + lastx; - got.br_startoff = xfs_bmbt_get_startoff(ep); - got.br_blockcount = xfs_bmbt_get_blockcount(ep); - if (bno < got.br_startoff) - high = lastx - 1; - else if (bno >= got.br_startoff + got.br_blockcount) - low = lastx + 1; - else { - got.br_startblock = xfs_bmbt_get_startblock(ep); - got.br_state = xfs_bmbt_get_state(ep); - *eofp = 0; - *lastxp = lastx; - *gotp = got; - return ep; - } - } - if (bno >= got.br_startoff + got.br_blockcount) { - lastx++; - if (lastx == nextents) { - *eofp = 1; - got.br_startblock = xfs_bmbt_get_startblock(ep); - got.br_state = xfs_bmbt_get_state(ep); - *prevp = got; - ep = NULL; - } else { - *eofp = 0; - xfs_bmbt_get_all(ep, prevp); - ep++; - got.br_startoff = xfs_bmbt_get_startoff(ep); - got.br_blockcount = xfs_bmbt_get_blockcount(ep); - } - } else { - *eofp = 0; - if (ep > base) - xfs_bmbt_get_all(ep - 1, prevp); - } - } - if (ep) { - got.br_startblock = xfs_bmbt_get_startblock(ep); - got.br_state = xfs_bmbt_get_state(ep); - } - *lastxp = lastx; - *gotp = got; - return ep; -} - /* * Search the extent records for the entry containing block bno. * If bno lies in a hole, point to the next entry. If bno lies diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h index 011ccaa9a1c0..f83399c89ce3 100644 --- a/fs/xfs/xfs_bmap.h +++ b/fs/xfs/xfs_bmap.h @@ -362,14 +362,6 @@ xfs_bmbt_rec_t * xfs_bmap_search_multi_extents(struct xfs_ifork *, xfs_fileoff_t, int *, xfs_extnum_t *, xfs_bmbt_irec_t *, xfs_bmbt_irec_t *); -/* - * Search an extent list for the extent which includes block - * bno. - */ -xfs_bmbt_rec_t *xfs_bmap_do_search_extents(xfs_bmbt_rec_t *, - xfs_extnum_t, xfs_extnum_t, xfs_fileoff_t, int *, - xfs_extnum_t *, xfs_bmbt_irec_t *, xfs_bmbt_irec_t *); - #endif /* __KERNEL__ */ #endif /* __XFS_BMAP_H__ */ |