diff options
Diffstat (limited to 'fs/xfs/xfs_ag.h')
| -rw-r--r-- | fs/xfs/xfs_ag.h | 150 |
1 files changed, 26 insertions, 124 deletions
diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h index 96b70f7..7d15ef3 100644 --- a/fs/xfs/xfs_ag.h +++ b/fs/xfs/xfs_ag.h @@ -46,18 +46,9 @@ struct xfs_trans; #define XFS_AGI_MAGIC 0x58414749 /* 'XAGI' */ #define XFS_AGF_VERSION 1 #define XFS_AGI_VERSION 1 -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGF_GOOD_VERSION) -int xfs_agf_good_version(unsigned v); -#define XFS_AGF_GOOD_VERSION(v) xfs_agf_good_version(v) -#else -#define XFS_AGF_GOOD_VERSION(v) ((v) == XFS_AGF_VERSION) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGI_GOOD_VERSION) -int xfs_agi_good_version(unsigned v); -#define XFS_AGI_GOOD_VERSION(v) xfs_agi_good_version(v) -#else -#define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION) -#endif + +#define XFS_AGF_GOOD_VERSION(v) ((v) == XFS_AGF_VERSION) +#define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION) /* * Btree number 0 is bno, 1 is cnt. This value gives the size of the @@ -110,12 +101,9 @@ typedef struct xfs_agf /* disk block (xfs_daddr_t) in the AG */ #define XFS_AGF_DADDR(mp) ((xfs_daddr_t)(1 << (mp)->m_sectbb_log)) -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGF_BLOCK) -xfs_agblock_t xfs_agf_block(struct xfs_mount *mp); -#define XFS_AGF_BLOCK(mp) xfs_agf_block(mp) -#else -#define XFS_AGF_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp)) -#endif +#define XFS_AGF_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp)) +#define XFS_BUF_TO_AGF(bp) ((xfs_agf_t *)XFS_BUF_PTR(bp)) + /* * Size of the unlinked inode hash table in the agi. @@ -165,25 +153,17 @@ typedef struct xfs_agi /* disk block (xfs_daddr_t) in the AG */ #define XFS_AGI_DADDR(mp) ((xfs_daddr_t)(2 << (mp)->m_sectbb_log)) -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGI_BLOCK) -xfs_agblock_t xfs_agi_block(struct xfs_mount *mp); -#define XFS_AGI_BLOCK(mp) xfs_agi_block(mp) -#else -#define XFS_AGI_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGI_DADDR(mp)) -#endif +#define XFS_AGI_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGI_DADDR(mp)) +#define XFS_BUF_TO_AGI(bp) ((xfs_agi_t *)XFS_BUF_PTR(bp)) /* * The third a.g. block contains the a.g. freelist, an array * of block pointers to blocks owned by the allocation btree code. */ #define XFS_AGFL_DADDR(mp) ((xfs_daddr_t)(3 << (mp)->m_sectbb_log)) -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGFL_BLOCK) -xfs_agblock_t xfs_agfl_block(struct xfs_mount *mp); -#define XFS_AGFL_BLOCK(mp) xfs_agfl_block(mp) -#else -#define XFS_AGFL_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGFL_DADDR(mp)) -#endif +#define XFS_AGFL_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGFL_DADDR(mp)) #define XFS_AGFL_SIZE(mp) ((mp)->m_sb.sb_sectsize / sizeof(xfs_agblock_t)) +#define XFS_BUF_TO_AGFL(bp) ((xfs_agfl_t *)XFS_BUF_PTR(bp)) typedef struct xfs_agfl { xfs_agblock_t agfl_bno[1]; /* actually XFS_AGFL_SIZE(mp) */ @@ -230,116 +210,38 @@ typedef struct xfs_perag xfs_perag_busy_t *pagb_list; /* unstable blocks */ } xfs_perag_t; -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AG_MAXLEVELS) -int xfs_ag_maxlevels(struct xfs_mount *mp); -#define XFS_AG_MAXLEVELS(mp) xfs_ag_maxlevels(mp) -#else -#define XFS_AG_MAXLEVELS(mp) ((mp)->m_ag_maxlevels) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MIN_FREELIST) -int xfs_min_freelist(xfs_agf_t *a, struct xfs_mount *mp); -#define XFS_MIN_FREELIST(a,mp) xfs_min_freelist(a,mp) -#else -#define XFS_MIN_FREELIST(a,mp) \ - XFS_MIN_FREELIST_RAW( \ +#define XFS_AG_MAXLEVELS(mp) ((mp)->m_ag_maxlevels) +#define XFS_MIN_FREELIST_RAW(bl,cl,mp) \ + (MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + MIN(cl + 1, XFS_AG_MAXLEVELS(mp))) +#define XFS_MIN_FREELIST(a,mp) \ + (XFS_MIN_FREELIST_RAW( \ INT_GET((a)->agf_levels[XFS_BTNUM_BNOi], ARCH_CONVERT), \ - INT_GET((a)->agf_levels[XFS_BTNUM_CNTi], ARCH_CONVERT), mp) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MIN_FREELIST_PAG) -int xfs_min_freelist_pag(xfs_perag_t *pag, struct xfs_mount *mp); -#define XFS_MIN_FREELIST_PAG(pag,mp) xfs_min_freelist_pag(pag,mp) -#else + INT_GET((a)->agf_levels[XFS_BTNUM_CNTi], ARCH_CONVERT), mp)) #define XFS_MIN_FREELIST_PAG(pag,mp) \ - XFS_MIN_FREELIST_RAW((uint_t)(pag)->pagf_levels[XFS_BTNUM_BNOi], \ - (uint_t)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MIN_FREELIST_RAW) -int xfs_min_freelist_raw(int bl, int cl, struct xfs_mount *mp); -#define XFS_MIN_FREELIST_RAW(bl,cl,mp) xfs_min_freelist_raw(bl,cl,mp) -#else -#define XFS_MIN_FREELIST_RAW(bl,cl,mp) \ - (MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + \ - MIN(cl + 1, XFS_AG_MAXLEVELS(mp))) -#endif + (XFS_MIN_FREELIST_RAW( \ + (uint_t)(pag)->pagf_levels[XFS_BTNUM_BNOi], \ + (uint_t)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp)) -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGB_TO_FSB) -xfs_fsblock_t xfs_agb_to_fsb(struct xfs_mount *mp, xfs_agnumber_t agno, - xfs_agblock_t agbno); -#define XFS_AGB_TO_FSB(mp,agno,agbno) xfs_agb_to_fsb(mp,agno,agbno) -#else -#define XFS_AGB_TO_FSB(mp,agno,agbno) \ +#define XFS_AGB_TO_FSB(mp,agno,agbno) \ (((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FSB_TO_AGNO) -xfs_agnumber_t xfs_fsb_to_agno(struct xfs_mount *mp, xfs_fsblock_t fsbno); -#define XFS_FSB_TO_AGNO(mp,fsbno) xfs_fsb_to_agno(mp,fsbno) -#else -#define XFS_FSB_TO_AGNO(mp,fsbno) \ +#define XFS_FSB_TO_AGNO(mp,fsbno) \ ((xfs_agnumber_t)((fsbno) >> (mp)->m_sb.sb_agblklog)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FSB_TO_AGBNO) -xfs_agblock_t xfs_fsb_to_agbno(struct xfs_mount *mp, xfs_fsblock_t fsbno); -#define XFS_FSB_TO_AGBNO(mp,fsbno) xfs_fsb_to_agbno(mp,fsbno) -#else -#define XFS_FSB_TO_AGBNO(mp,fsbno) \ +#define XFS_FSB_TO_AGBNO(mp,fsbno) \ ((xfs_agblock_t)((fsbno) & XFS_MASK32LO((mp)->m_sb.sb_agblklog))) -#endif - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGB_TO_DADDR) -xfs_daddr_t xfs_agb_to_daddr(struct xfs_mount *mp, xfs_agnumber_t agno, - xfs_agblock_t agbno); -#define XFS_AGB_TO_DADDR(mp,agno,agbno) xfs_agb_to_daddr(mp,agno,agbno) -#else -#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)))) -#endif -/* - * XFS_DADDR_TO_AGNO and XFS_DADDR_TO_AGBNO moved to xfs_mount.h - * to avoid header file ordering change - */ - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AG_DADDR) -xfs_daddr_t xfs_ag_daddr(struct xfs_mount *mp, xfs_agnumber_t agno, - xfs_daddr_t d); -#define XFS_AG_DADDR(mp,agno,d) xfs_ag_daddr(mp,agno,d) -#else -#define XFS_AG_DADDR(mp,agno,d) (XFS_AGB_TO_DADDR(mp, agno, 0) + (d)) -#endif - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_AGF) -xfs_agf_t *xfs_buf_to_agf(struct xfs_buf *bp); -#define XFS_BUF_TO_AGF(bp) xfs_buf_to_agf(bp) -#else -#define XFS_BUF_TO_AGF(bp) ((xfs_agf_t *)XFS_BUF_PTR(bp)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_AGI) -xfs_agi_t *xfs_buf_to_agi(struct xfs_buf *bp); -#define XFS_BUF_TO_AGI(bp) xfs_buf_to_agi(bp) -#else -#define XFS_BUF_TO_AGI(bp) ((xfs_agi_t *)XFS_BUF_PTR(bp)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_AGFL) -xfs_agfl_t *xfs_buf_to_agfl(struct xfs_buf *bp); -#define XFS_BUF_TO_AGFL(bp) xfs_buf_to_agfl(bp) -#else -#define XFS_BUF_TO_AGFL(bp) ((xfs_agfl_t *)XFS_BUF_PTR(bp)) -#endif +#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))) +#define XFS_AG_DADDR(mp,agno,d) (XFS_AGB_TO_DADDR(mp, agno, 0) + (d)) /* * For checking for bad ranges of xfs_daddr_t's, covering multiple * allocation groups or a single xfs_daddr_t that's a superblock copy. */ -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AG_CHECK_DADDR) -void xfs_ag_check_daddr(struct xfs_mount *mp, xfs_daddr_t d, xfs_extlen_t len); -#define XFS_AG_CHECK_DADDR(mp,d,len) xfs_ag_check_daddr(mp,d,len) -#else #define XFS_AG_CHECK_DADDR(mp,d,len) \ ((len) == 1 ? \ ASSERT((d) == XFS_SB_DADDR || \ XFS_DADDR_TO_AGBNO(mp, d) != XFS_SB_DADDR) : \ ASSERT(XFS_DADDR_TO_AGNO(mp, d) == \ XFS_DADDR_TO_AGNO(mp, (d) + (len) - 1))) -#endif #endif /* __XFS_AG_H__ */ |
