leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[XFS] Remove macro-to-function indirections in the mask code

Browse Source 
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
Eric Sandeen 2009-01-09 15:53:54 +11:00 committed by Lachlan McIlroy
parent c9fb86a917
commit fb82557f16
3 changed files with 44 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/xfs/xfs_ag.h
View File

@ -231,7 +231,7 @@ typedef struct xfs_perag
#define XFS_FSB_TO_AGNO(mp,fsbno) \
((xfs_agnumber_t)((fsbno) >> (mp)->m_sb.sb_agblklog))
#define XFS_FSB_TO_AGBNO(mp,fsbno) \
((xfs_agblock_t)((fsbno) & XFS_MASK32LO((mp)->m_sb.sb_agblklog)))
((xfs_agblock_t)((fsbno) & xfs_mask32lo((mp)->m_sb.sb_agblklog)))
#define XFS_AGB_TO_DADDR(mp,agno,agbno) \
((xfs_daddr_t)XFS_FSB_TO_BB(mp, \
(xfs_fsblock_t)(agno) * (mp)->m_sb.sb_agblocks + (agbno)))

10
fs/xfs/xfs_bit.h
View File

@ -23,24 +23,16 @@
*/
/*
* masks with n high/low bits set, 32-bit values & 64-bit values
* masks with n high/low bits set, 64-bit values
*/
#define XFS_MASK32HI(n) xfs_mask32hi(n)
static inline __uint32_t xfs_mask32hi(int n)
{
return (__uint32_t)-1 << (32 - (n));
}
#define XFS_MASK64HI(n) xfs_mask64hi(n)
static inline __uint64_t xfs_mask64hi(int n)
{
return (__uint64_t)-1 << (64 - (n));
}
#define XFS_MASK32LO(n) xfs_mask32lo(n)
static inline __uint32_t xfs_mask32lo(int n)
{
return ((__uint32_t)1 << (n)) - 1;
}
#define XFS_MASK64LO(n) xfs_mask64lo(n)
static inline __uint64_t xfs_mask64lo(int n)
{
return ((__uint64_t)1 << (n)) - 1;

84
fs/xfs/xfs_bmap_btree.c
View File

@ -110,16 +110,16 @@ __xfs_bmbt_get_all(
ext_flag = (int)(l0 >> (64 - BMBT_EXNTFLAG_BITLEN));
s->br_startoff = ((xfs_fileoff_t)l0 &
XFS_MASK64LO(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
xfs_mask64lo(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
#if XFS_BIG_BLKNOS
s->br_startblock = (((xfs_fsblock_t)l0 & XFS_MASK64LO(9)) << 43) |
s->br_startblock = (((xfs_fsblock_t)l0 & xfs_mask64lo(9)) << 43) |
(((xfs_fsblock_t)l1) >> 21);
#else
#ifdef DEBUG
{
xfs_dfsbno_t b;
b = (((xfs_dfsbno_t)l0 & XFS_MASK64LO(9)) << 43) |
b = (((xfs_dfsbno_t)l0 & xfs_mask64lo(9)) << 43) |
(((xfs_dfsbno_t)l1) >> 21);
ASSERT((b >> 32) == 0 || ISNULLDSTARTBLOCK(b));
s->br_startblock = (xfs_fsblock_t)b;
@ -128,7 +128,7 @@ __xfs_bmbt_get_all(
s->br_startblock = (xfs_fsblock_t)(((xfs_dfsbno_t)l1) >> 21);
#endif /* DEBUG */
#endif /* XFS_BIG_BLKNOS */
s->br_blockcount = (xfs_filblks_t)(l1 & XFS_MASK64LO(21));
s->br_blockcount = (xfs_filblks_t)(l1 & xfs_mask64lo(21));
/* This is xfs_extent_state() in-line */
if (ext_flag) {
ASSERT(s->br_blockcount != 0); /* saved for DMIG */
@ -153,7 +153,7 @@ xfs_filblks_t
xfs_bmbt_get_blockcount(
xfs_bmbt_rec_host_t *r)
{
return (xfs_filblks_t)(r->l1 & XFS_MASK64LO(21));
return (xfs_filblks_t)(r->l1 & xfs_mask64lo(21));
}
/*
@ -164,13 +164,13 @@ xfs_bmbt_get_startblock(
xfs_bmbt_rec_host_t *r)
{
#if XFS_BIG_BLKNOS
return (((xfs_fsblock_t)r->l0 & XFS_MASK64LO(9)) << 43) |
return (((xfs_fsblock_t)r->l0 & xfs_mask64lo(9)) << 43) |
(((xfs_fsblock_t)r->l1) >> 21);
#else
#ifdef DEBUG
xfs_dfsbno_t b;
b = (((xfs_dfsbno_t)r->l0 & XFS_MASK64LO(9)) << 43) |
b = (((xfs_dfsbno_t)r->l0 & xfs_mask64lo(9)) << 43) |
(((xfs_dfsbno_t)r->l1) >> 21);
ASSERT((b >> 32) == 0 || ISNULLDSTARTBLOCK(b));
return (xfs_fsblock_t)b;
@ -188,7 +188,7 @@ xfs_bmbt_get_startoff(
xfs_bmbt_rec_host_t *r)
{
return ((xfs_fileoff_t)r->l0 &
XFS_MASK64LO(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
xfs_mask64lo(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
}
xfs_exntst_t
@ -219,7 +219,7 @@ xfs_filblks_t
xfs_bmbt_disk_get_blockcount(
xfs_bmbt_rec_t *r)
{
return (xfs_filblks_t)(be64_to_cpu(r->l1) & XFS_MASK64LO(21));
return (xfs_filblks_t)(be64_to_cpu(r->l1) & xfs_mask64lo(21));
}
/*
@ -230,7 +230,7 @@ xfs_bmbt_disk_get_startoff(
xfs_bmbt_rec_t *r)
{
return ((xfs_fileoff_t)be64_to_cpu(r->l0) &
XFS_MASK64LO(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
xfs_mask64lo(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
}
@ -248,33 +248,33 @@ xfs_bmbt_set_allf(
int extent_flag = (state == XFS_EXT_NORM) ? 0 : 1;
ASSERT(state == XFS_EXT_NORM || state == XFS_EXT_UNWRITTEN);
ASSERT((startoff & XFS_MASK64HI(64-BMBT_STARTOFF_BITLEN)) == 0);
ASSERT((blockcount & XFS_MASK64HI(64-BMBT_BLOCKCOUNT_BITLEN)) == 0);
ASSERT((startoff & xfs_mask64hi(64-BMBT_STARTOFF_BITLEN)) == 0);
ASSERT((blockcount & xfs_mask64hi(64-BMBT_BLOCKCOUNT_BITLEN)) == 0);
#if XFS_BIG_BLKNOS
ASSERT((startblock & XFS_MASK64HI(64-BMBT_STARTBLOCK_BITLEN)) == 0);
ASSERT((startblock & xfs_mask64hi(64-BMBT_STARTBLOCK_BITLEN)) == 0);
r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) |
((xfs_bmbt_rec_base_t)startoff << 9) |
((xfs_bmbt_rec_base_t)startblock >> 43);
r->l1 = ((xfs_bmbt_rec_base_t)startblock << 21) |
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)XFS_MASK64LO(21));
(xfs_bmbt_rec_base_t)xfs_mask64lo(21));
#else /* !XFS_BIG_BLKNOS */
if (ISNULLSTARTBLOCK(startblock)) {
r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) |
((xfs_bmbt_rec_base_t)startoff << 9) |
(xfs_bmbt_rec_base_t)XFS_MASK64LO(9);
r->l1 = XFS_MASK64HI(11) |
(xfs_bmbt_rec_base_t)xfs_mask64lo(9);
r->l1 = xfs_mask64hi(11) |
((xfs_bmbt_rec_base_t)startblock << 21) |
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)XFS_MASK64LO(21));
(xfs_bmbt_rec_base_t)xfs_mask64lo(21));
} else {
r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) |
((xfs_bmbt_rec_base_t)startoff << 9);
r->l1 = ((xfs_bmbt_rec_base_t)startblock << 21) |
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)XFS_MASK64LO(21));
(xfs_bmbt_rec_base_t)xfs_mask64lo(21));
}
#endif /* XFS_BIG_BLKNOS */
}
@ -306,11 +306,11 @@ xfs_bmbt_disk_set_allf(
int extent_flag = (state == XFS_EXT_NORM) ? 0 : 1;
ASSERT(state == XFS_EXT_NORM || state == XFS_EXT_UNWRITTEN);
ASSERT((startoff & XFS_MASK64HI(64-BMBT_STARTOFF_BITLEN)) == 0);
ASSERT((blockcount & XFS_MASK64HI(64-BMBT_BLOCKCOUNT_BITLEN)) == 0);
ASSERT((startoff & xfs_mask64hi(64-BMBT_STARTOFF_BITLEN)) == 0);
ASSERT((blockcount & xfs_mask64hi(64-BMBT_BLOCKCOUNT_BITLEN)) == 0);
#if XFS_BIG_BLKNOS
ASSERT((startblock & XFS_MASK64HI(64-BMBT_STARTBLOCK_BITLEN)) == 0);
ASSERT((startblock & xfs_mask64hi(64-BMBT_STARTBLOCK_BITLEN)) == 0);
r->l0 = cpu_to_be64(
((xfs_bmbt_rec_base_t)extent_flag << 63) |
@ -319,17 +319,17 @@ xfs_bmbt_disk_set_allf(
r->l1 = cpu_to_be64(
((xfs_bmbt_rec_base_t)startblock << 21) |
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)XFS_MASK64LO(21)));
(xfs_bmbt_rec_base_t)xfs_mask64lo(21)));
#else /* !XFS_BIG_BLKNOS */
if (ISNULLSTARTBLOCK(startblock)) {
r->l0 = cpu_to_be64(
((xfs_bmbt_rec_base_t)extent_flag << 63) |
((xfs_bmbt_rec_base_t)startoff << 9) |
(xfs_bmbt_rec_base_t)XFS_MASK64LO(9));
r->l1 = cpu_to_be64(XFS_MASK64HI(11) |
(xfs_bmbt_rec_base_t)xfs_mask64lo(9));
r->l1 = cpu_to_be64(xfs_mask64hi(11) |
((xfs_bmbt_rec_base_t)startblock << 21) |
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)XFS_MASK64LO(21)));
(xfs_bmbt_rec_base_t)xfs_mask64lo(21)));
} else {
r->l0 = cpu_to_be64(
((xfs_bmbt_rec_base_t)extent_flag << 63) |
@ -337,7 +337,7 @@ xfs_bmbt_disk_set_allf(
r->l1 = cpu_to_be64(
((xfs_bmbt_rec_base_t)startblock << 21) |
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)XFS_MASK64LO(21)));
(xfs_bmbt_rec_base_t)xfs_mask64lo(21)));
}
#endif /* XFS_BIG_BLKNOS */
}
@ -362,9 +362,9 @@ xfs_bmbt_set_blockcount(
xfs_bmbt_rec_host_t *r,
xfs_filblks_t v)
{
ASSERT((v & XFS_MASK64HI(43)) == 0);
r->l1 = (r->l1 & (xfs_bmbt_rec_base_t)XFS_MASK64HI(43)) |
(xfs_bmbt_rec_base_t)(v & XFS_MASK64LO(21));
ASSERT((v & xfs_mask64hi(43)) == 0);
r->l1 = (r->l1 & (xfs_bmbt_rec_base_t)xfs_mask64hi(43)) |
(xfs_bmbt_rec_base_t)(v & xfs_mask64lo(21));
}
/*
@ -376,21 +376,21 @@ xfs_bmbt_set_startblock(
xfs_fsblock_t v)
{
#if XFS_BIG_BLKNOS
ASSERT((v & XFS_MASK64HI(12)) == 0);
r->l0 = (r->l0 & (xfs_bmbt_rec_base_t)XFS_MASK64HI(55)) |
ASSERT((v & xfs_mask64hi(12)) == 0);
r->l0 = (r->l0 & (xfs_bmbt_rec_base_t)xfs_mask64hi(55)) |
(xfs_bmbt_rec_base_t)(v >> 43);
r->l1 = (r->l1 & (xfs_bmbt_rec_base_t)XFS_MASK64LO(21)) |
r->l1 = (r->l1 & (xfs_bmbt_rec_base_t)xfs_mask64lo(21)) |
(xfs_bmbt_rec_base_t)(v << 21);
#else /* !XFS_BIG_BLKNOS */
if (ISNULLSTARTBLOCK(v)) {
r->l0 |= (xfs_bmbt_rec_base_t)XFS_MASK64LO(9);
r->l1 = (xfs_bmbt_rec_base_t)XFS_MASK64HI(11) |
r->l0 |= (xfs_bmbt_rec_base_t)xfs_mask64lo(9);
r->l1 = (xfs_bmbt_rec_base_t)xfs_mask64hi(11) |
((xfs_bmbt_rec_base_t)v << 21) |
(r->l1 & (xfs_bmbt_rec_base_t)XFS_MASK64LO(21));
(r->l1 & (xfs_bmbt_rec_base_t)xfs_mask64lo(21));
} else {
r->l0 &= ~(xfs_bmbt_rec_base_t)XFS_MASK64LO(9);
r->l0 &= ~(xfs_bmbt_rec_base_t)xfs_mask64lo(9);
r->l1 = ((xfs_bmbt_rec_base_t)v << 21) |
(r->l1 & (xfs_bmbt_rec_base_t)XFS_MASK64LO(21));
(r->l1 & (xfs_bmbt_rec_base_t)xfs_mask64lo(21));
}
#endif /* XFS_BIG_BLKNOS */
}
@ -403,10 +403,10 @@ xfs_bmbt_set_startoff(
xfs_bmbt_rec_host_t *r,
xfs_fileoff_t v)
{
ASSERT((v & XFS_MASK64HI(9)) == 0);
r->l0 = (r->l0 & (xfs_bmbt_rec_base_t) XFS_MASK64HI(1)) |
ASSERT((v & xfs_mask64hi(9)) == 0);
r->l0 = (r->l0 & (xfs_bmbt_rec_base_t) xfs_mask64hi(1)) |
((xfs_bmbt_rec_base_t)v << 9) |
(r->l0 & (xfs_bmbt_rec_base_t)XFS_MASK64LO(9));
(r->l0 & (xfs_bmbt_rec_base_t)xfs_mask64lo(9));
}
/*
@ -419,9 +419,9 @@ xfs_bmbt_set_state(
{
ASSERT(v == XFS_EXT_NORM || v == XFS_EXT_UNWRITTEN);
if (v == XFS_EXT_NORM)
r->l0 &= XFS_MASK64LO(64 - BMBT_EXNTFLAG_BITLEN);
r->l0 &= xfs_mask64lo(64 - BMBT_EXNTFLAG_BITLEN);
else
r->l0 |= XFS_MASK64HI(BMBT_EXNTFLAG_BITLEN);
r->l0 |= xfs_mask64hi(BMBT_EXNTFLAG_BITLEN);
}
/*