diff options
Diffstat (limited to 'fs/xfs')
-rw-r--r-- | fs/xfs/Kbuild | 6 | ||||
-rw-r--r-- | fs/xfs/Makefile | 118 | ||||
-rw-r--r-- | fs/xfs/Makefile-linux-2.6 | 117 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 14 | ||||
-rw-r--r-- | fs/xfs/xfs_bit.c | 103 | ||||
-rw-r--r-- | fs/xfs/xfs_bit.h | 27 | ||||
-rw-r--r-- | fs/xfs/xfs_clnt.h | 2 | ||||
-rw-r--r-- | fs/xfs/xfs_ialloc.c | 2 | ||||
-rw-r--r-- | fs/xfs/xfs_mount.h | 2 | ||||
-rw-r--r-- | fs/xfs/xfs_rtalloc.c | 19 | ||||
-rw-r--r-- | fs/xfs/xfs_vfsops.c | 4 |
11 files changed, 249 insertions, 165 deletions
diff --git a/fs/xfs/Kbuild b/fs/xfs/Kbuild deleted file mode 100644 index 2566e96706f1..000000000000 --- a/fs/xfs/Kbuild +++ /dev/null @@ -1,6 +0,0 @@ -# -# The xfs people like to share Makefile with 2.6 and 2.4. -# Utilise file named Kbuild file which has precedence over Makefile. -# - -include $(srctree)/$(obj)/Makefile-linux-2.6 diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index 49e3e7e5e3dc..36ec614e699a 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -1 +1,117 @@ -include $(TOPDIR)/fs/xfs/Makefile-linux-$(VERSION).$(PATCHLEVEL) +# +# Copyright (c) 2000-2005 Silicon Graphics, Inc. +# All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +EXTRA_CFLAGS += -I$(src) -I$(src)/linux-2.6 -funsigned-char + +XFS_LINUX := linux-2.6 + +ifeq ($(CONFIG_XFS_DEBUG),y) + EXTRA_CFLAGS += -g +endif + +obj-$(CONFIG_XFS_FS) += xfs.o + +xfs-$(CONFIG_XFS_QUOTA) += $(addprefix quota/, \ + xfs_dquot.o \ + xfs_dquot_item.o \ + xfs_trans_dquot.o \ + xfs_qm_syscalls.o \ + xfs_qm_bhv.o \ + xfs_qm.o) + +ifeq ($(CONFIG_XFS_QUOTA),y) +xfs-$(CONFIG_PROC_FS) += quota/xfs_qm_stats.o +endif + +xfs-$(CONFIG_XFS_RT) += xfs_rtalloc.o +xfs-$(CONFIG_XFS_POSIX_ACL) += xfs_acl.o +xfs-$(CONFIG_PROC_FS) += $(XFS_LINUX)/xfs_stats.o +xfs-$(CONFIG_SYSCTL) += $(XFS_LINUX)/xfs_sysctl.o +xfs-$(CONFIG_COMPAT) += $(XFS_LINUX)/xfs_ioctl32.o + + +xfs-y += xfs_alloc.o \ + xfs_alloc_btree.o \ + xfs_attr.o \ + xfs_attr_leaf.o \ + xfs_bit.o \ + xfs_bmap.o \ + xfs_bmap_btree.o \ + xfs_btree.o \ + xfs_buf_item.o \ + xfs_da_btree.o \ + xfs_dir2.o \ + xfs_dir2_block.o \ + xfs_dir2_data.o \ + xfs_dir2_leaf.o \ + xfs_dir2_node.o \ + xfs_dir2_sf.o \ + xfs_error.o \ + xfs_extfree_item.o \ + xfs_filestream.o \ + xfs_fsops.o \ + xfs_ialloc.o \ + xfs_ialloc_btree.o \ + xfs_iget.o \ + xfs_inode.o \ + xfs_inode_item.o \ + xfs_iomap.o \ + xfs_itable.o \ + xfs_dfrag.o \ + xfs_log.o \ + xfs_log_recover.o \ + xfs_mount.o \ + xfs_mru_cache.o \ + xfs_rename.o \ + xfs_trans.o \ + xfs_trans_ail.o \ + xfs_trans_buf.o \ + xfs_trans_extfree.o \ + xfs_trans_inode.o \ + xfs_trans_item.o \ + xfs_utils.o \ + xfs_vfsops.o \ + xfs_vnodeops.o \ + xfs_rw.o \ + xfs_dmops.o \ + xfs_qmops.o + +xfs-$(CONFIG_XFS_TRACE) += xfs_dir2_trace.o + +# Objects in linux/ +xfs-y += $(addprefix $(XFS_LINUX)/, \ + kmem.o \ + xfs_aops.o \ + xfs_buf.o \ + xfs_export.o \ + xfs_file.o \ + xfs_fs_subr.o \ + xfs_globals.o \ + xfs_ioctl.o \ + xfs_iops.o \ + xfs_lrw.o \ + xfs_super.o \ + xfs_vnode.o) + +# Objects in support/ +xfs-y += $(addprefix support/, \ + debug.o \ + uuid.o) + +xfs-$(CONFIG_XFS_TRACE) += support/ktrace.o + diff --git a/fs/xfs/Makefile-linux-2.6 b/fs/xfs/Makefile-linux-2.6 deleted file mode 100644 index 97316451fc6d..000000000000 --- a/fs/xfs/Makefile-linux-2.6 +++ /dev/null @@ -1,117 +0,0 @@ -# -# Copyright (c) 2000-2005 Silicon Graphics, Inc. -# All Rights Reserved. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it would be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write the Free Software Foundation, -# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -# - -EXTRA_CFLAGS += -Ifs/xfs -Ifs/xfs/linux-2.6 -funsigned-char - -XFS_LINUX := linux-2.6 - -ifeq ($(CONFIG_XFS_DEBUG),y) - EXTRA_CFLAGS += -g -endif - -obj-$(CONFIG_XFS_FS) += xfs.o - -xfs-$(CONFIG_XFS_QUOTA) += $(addprefix quota/, \ - xfs_dquot.o \ - xfs_dquot_item.o \ - xfs_trans_dquot.o \ - xfs_qm_syscalls.o \ - xfs_qm_bhv.o \ - xfs_qm.o) - -ifeq ($(CONFIG_XFS_QUOTA),y) -xfs-$(CONFIG_PROC_FS) += quota/xfs_qm_stats.o -endif - -xfs-$(CONFIG_XFS_RT) += xfs_rtalloc.o -xfs-$(CONFIG_XFS_POSIX_ACL) += xfs_acl.o -xfs-$(CONFIG_PROC_FS) += $(XFS_LINUX)/xfs_stats.o -xfs-$(CONFIG_SYSCTL) += $(XFS_LINUX)/xfs_sysctl.o -xfs-$(CONFIG_COMPAT) += $(XFS_LINUX)/xfs_ioctl32.o - - -xfs-y += xfs_alloc.o \ - xfs_alloc_btree.o \ - xfs_attr.o \ - xfs_attr_leaf.o \ - xfs_bit.o \ - xfs_bmap.o \ - xfs_bmap_btree.o \ - xfs_btree.o \ - xfs_buf_item.o \ - xfs_da_btree.o \ - xfs_dir2.o \ - xfs_dir2_block.o \ - xfs_dir2_data.o \ - xfs_dir2_leaf.o \ - xfs_dir2_node.o \ - xfs_dir2_sf.o \ - xfs_error.o \ - xfs_extfree_item.o \ - xfs_filestream.o \ - xfs_fsops.o \ - xfs_ialloc.o \ - xfs_ialloc_btree.o \ - xfs_iget.o \ - xfs_inode.o \ - xfs_inode_item.o \ - xfs_iomap.o \ - xfs_itable.o \ - xfs_dfrag.o \ - xfs_log.o \ - xfs_log_recover.o \ - xfs_mount.o \ - xfs_mru_cache.o \ - xfs_rename.o \ - xfs_trans.o \ - xfs_trans_ail.o \ - xfs_trans_buf.o \ - xfs_trans_extfree.o \ - xfs_trans_inode.o \ - xfs_trans_item.o \ - xfs_utils.o \ - xfs_vfsops.o \ - xfs_vnodeops.o \ - xfs_rw.o \ - xfs_dmops.o \ - xfs_qmops.o - -xfs-$(CONFIG_XFS_TRACE) += xfs_dir2_trace.o - -# Objects in linux/ -xfs-y += $(addprefix $(XFS_LINUX)/, \ - kmem.o \ - xfs_aops.o \ - xfs_buf.o \ - xfs_export.o \ - xfs_file.o \ - xfs_fs_subr.o \ - xfs_globals.o \ - xfs_ioctl.o \ - xfs_iops.o \ - xfs_lrw.o \ - xfs_super.o \ - xfs_vnode.o) - -# Objects in support/ -xfs-y += $(addprefix support/, \ - debug.o \ - uuid.o) - -xfs-$(CONFIG_XFS_TRACE) += support/ktrace.o - diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 21dfc9da235e..8831d9518790 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -171,7 +171,7 @@ xfs_parseargs( char *this_char, *value, *eov; int dsunit, dswidth, vol_dsunit, vol_dswidth; int iosize; - int ikeep = 0; + int dmapi_implies_ikeep = 1; args->flags |= XFSMNT_BARRIER; args->flags2 |= XFSMNT2_COMPAT_IOSIZE; @@ -302,10 +302,10 @@ xfs_parseargs( } else if (!strcmp(this_char, MNTOPT_NOBARRIER)) { args->flags &= ~XFSMNT_BARRIER; } else if (!strcmp(this_char, MNTOPT_IKEEP)) { - ikeep = 1; - args->flags &= ~XFSMNT_IDELETE; + args->flags |= XFSMNT_IKEEP; } else if (!strcmp(this_char, MNTOPT_NOIKEEP)) { - args->flags |= XFSMNT_IDELETE; + dmapi_implies_ikeep = 0; + args->flags &= ~XFSMNT_IKEEP; } else if (!strcmp(this_char, MNTOPT_LARGEIO)) { args->flags2 &= ~XFSMNT2_COMPAT_IOSIZE; } else if (!strcmp(this_char, MNTOPT_NOLARGEIO)) { @@ -410,8 +410,8 @@ xfs_parseargs( * Note that if "ikeep" or "noikeep" mount options are * supplied, then they are honored. */ - if (!(args->flags & XFSMNT_DMAPI) && !ikeep) - args->flags |= XFSMNT_IDELETE; + if ((args->flags & XFSMNT_DMAPI) && dmapi_implies_ikeep) + args->flags |= XFSMNT_IKEEP; if ((args->flags & XFSMNT_NOALIGN) != XFSMNT_NOALIGN) { if (dsunit) { @@ -446,6 +446,7 @@ xfs_showargs( { static struct proc_xfs_info xfs_info_set[] = { /* the few simple ones we can get from the mount struct */ + { XFS_MOUNT_IKEEP, "," MNTOPT_IKEEP }, { XFS_MOUNT_WSYNC, "," MNTOPT_WSYNC }, { XFS_MOUNT_INO64, "," MNTOPT_INO64 }, { XFS_MOUNT_NOALIGN, "," MNTOPT_NOALIGN }, @@ -461,7 +462,6 @@ xfs_showargs( }; static struct proc_xfs_info xfs_info_unset[] = { /* the few simple ones we can get from the mount struct */ - { XFS_MOUNT_IDELETE, "," MNTOPT_IKEEP }, { XFS_MOUNT_COMPAT_IOSIZE, "," MNTOPT_LARGEIO }, { XFS_MOUNT_BARRIER, "," MNTOPT_NOBARRIER }, { XFS_MOUNT_SMALL_INUMS, "," MNTOPT_64BITINODE }, diff --git a/fs/xfs/xfs_bit.c b/fs/xfs/xfs_bit.c index 48228848f5ae..fab0b6d5a41b 100644 --- a/fs/xfs/xfs_bit.c +++ b/fs/xfs/xfs_bit.c @@ -25,6 +25,109 @@ * XFS bit manipulation routines, used in non-realtime code. */ +#ifndef HAVE_ARCH_HIGHBIT +/* + * Index of high bit number in byte, -1 for none set, 0..7 otherwise. + */ +static const char xfs_highbit[256] = { + -1, 0, 1, 1, 2, 2, 2, 2, /* 00 .. 07 */ + 3, 3, 3, 3, 3, 3, 3, 3, /* 08 .. 0f */ + 4, 4, 4, 4, 4, 4, 4, 4, /* 10 .. 17 */ + 4, 4, 4, 4, 4, 4, 4, 4, /* 18 .. 1f */ + 5, 5, 5, 5, 5, 5, 5, 5, /* 20 .. 27 */ + 5, 5, 5, 5, 5, 5, 5, 5, /* 28 .. 2f */ + 5, 5, 5, 5, 5, 5, 5, 5, /* 30 .. 37 */ + 5, 5, 5, 5, 5, 5, 5, 5, /* 38 .. 3f */ + 6, 6, 6, 6, 6, 6, 6, 6, /* 40 .. 47 */ + 6, 6, 6, 6, 6, 6, 6, 6, /* 48 .. 4f */ + 6, 6, 6, 6, 6, 6, 6, 6, /* 50 .. 57 */ + 6, 6, 6, 6, 6, 6, 6, 6, /* 58 .. 5f */ + 6, 6, 6, 6, 6, 6, 6, 6, /* 60 .. 67 */ + 6, 6, 6, 6, 6, 6, 6, 6, /* 68 .. 6f */ + 6, 6, 6, 6, 6, 6, 6, 6, /* 70 .. 77 */ + 6, 6, 6, 6, 6, 6, 6, 6, /* 78 .. 7f */ + 7, 7, 7, 7, 7, 7, 7, 7, /* 80 .. 87 */ + 7, 7, 7, 7, 7, 7, 7, 7, /* 88 .. 8f */ + 7, 7, 7, 7, 7, 7, 7, 7, /* 90 .. 97 */ + 7, 7, 7, 7, 7, 7, 7, 7, /* 98 .. 9f */ + 7, 7, 7, 7, 7, 7, 7, 7, /* a0 .. a7 */ + 7, 7, 7, 7, 7, 7, 7, 7, /* a8 .. af */ + 7, 7, 7, 7, 7, 7, 7, 7, /* b0 .. b7 */ + 7, 7, 7, 7, 7, 7, 7, 7, /* b8 .. bf */ + 7, 7, 7, 7, 7, 7, 7, 7, /* c0 .. c7 */ + 7, 7, 7, 7, 7, 7, 7, 7, /* c8 .. cf */ + 7, 7, 7, 7, 7, 7, 7, 7, /* d0 .. d7 */ + 7, 7, 7, 7, 7, 7, 7, 7, /* d8 .. df */ + 7, 7, 7, 7, 7, 7, 7, 7, /* e0 .. e7 */ + 7, 7, 7, 7, 7, 7, 7, 7, /* e8 .. ef */ + 7, 7, 7, 7, 7, 7, 7, 7, /* f0 .. f7 */ + 7, 7, 7, 7, 7, 7, 7, 7, /* f8 .. ff */ +}; +#endif + +/* + * xfs_highbit32: get high bit set out of 32-bit argument, -1 if none set. + */ +inline int +xfs_highbit32( + __uint32_t v) +{ +#ifdef HAVE_ARCH_HIGHBIT + return highbit32(v); +#else + int i; + + if (v & 0xffff0000) + if (v & 0xff000000) + i = 24; + else + i = 16; + else if (v & 0x0000ffff) + if (v & 0x0000ff00) + i = 8; + else + i = 0; + else + return -1; + return i + xfs_highbit[(v >> i) & 0xff]; +#endif +} + +/* + * xfs_lowbit64: get low bit set out of 64-bit argument, -1 if none set. + */ +int +xfs_lowbit64( + __uint64_t v) +{ + __uint32_t w = (__uint32_t)v; + int n = 0; + + if (w) { /* lower bits */ + n = ffs(w); + } else { /* upper bits */ + w = (__uint32_t)(v >> 32); + if (w && (n = ffs(w))) + n += 32; + } + return n - 1; +} + +/* + * xfs_highbit64: get high bit set out of 64-bit argument, -1 if none set. + */ +int +xfs_highbit64( + __uint64_t v) +{ + __uint32_t h = (__uint32_t)(v >> 32); + + if (h) + return xfs_highbit32(h) + 32; + return xfs_highbit32((__uint32_t)v); +} + + /* * Return whether bitmap is empty. * Size is number of words in the bitmap, which is padded to word boundary diff --git a/fs/xfs/xfs_bit.h b/fs/xfs/xfs_bit.h index 325a007dec91..082641a9782c 100644 --- a/fs/xfs/xfs_bit.h +++ b/fs/xfs/xfs_bit.h @@ -47,30 +47,13 @@ static inline __uint64_t xfs_mask64lo(int n) } /* Get high bit set out of 32-bit argument, -1 if none set */ -static inline int xfs_highbit32(__uint32_t v) -{ - return fls(v) - 1; -} - -/* Get high bit set out of 64-bit argument, -1 if none set */ -static inline int xfs_highbit64(__uint64_t v) -{ - return fls64(v) - 1; -} - -/* Get low bit set out of 32-bit argument, -1 if none set */ -static inline int xfs_lowbit32(__uint32_t v) -{ - __uint32_t t = v; - return (t) ? find_first_bit((unsigned long *)&t, 32) : -1; -} +extern int xfs_highbit32(__uint32_t v); /* Get low bit set out of 64-bit argument, -1 if none set */ -static inline int xfs_lowbit64(__uint64_t v) -{ - __uint64_t t = v; - return (t) ? find_first_bit((unsigned long *)&t, 64) : -1; -} +extern int xfs_lowbit64(__uint64_t v); + +/* Get high bit set out of 64-bit argument, -1 if none set */ +extern int xfs_highbit64(__uint64_t); /* Return whether bitmap is empty (1 == empty) */ extern int xfs_bitmap_empty(uint *map, uint size); diff --git a/fs/xfs/xfs_clnt.h b/fs/xfs/xfs_clnt.h index d16c1b971074..d5d1e60ee224 100644 --- a/fs/xfs/xfs_clnt.h +++ b/fs/xfs/xfs_clnt.h @@ -86,7 +86,7 @@ struct xfs_mount_args { #define XFSMNT_NOUUID 0x01000000 /* Ignore fs uuid */ #define XFSMNT_DMAPI 0x02000000 /* enable dmapi/xdsm */ #define XFSMNT_BARRIER 0x04000000 /* use write barriers */ -#define XFSMNT_IDELETE 0x08000000 /* inode cluster delete */ +#define XFSMNT_IKEEP 0x08000000 /* inode cluster delete */ #define XFSMNT_SWALLOC 0x10000000 /* turn on stripe width * allocation */ #define XFSMNT_DIRSYNC 0x40000000 /* sync creat,link,unlink,rename diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index c5836b951d0c..db9d5fa600af 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -1053,7 +1053,7 @@ xfs_difree( /* * When an inode cluster is free, it becomes eligible for removal */ - if ((mp->m_flags & XFS_MOUNT_IDELETE) && + if (!(mp->m_flags & XFS_MOUNT_IKEEP) && (rec.ir_freecount == XFS_IALLOC_INODES(mp))) { *delete = 1; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index f7c620ec6e69..1d8a4728d847 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -366,7 +366,7 @@ typedef struct xfs_mount { #define XFS_MOUNT_SMALL_INUMS (1ULL << 15) /* users wants 32bit inodes */ #define XFS_MOUNT_NOUUID (1ULL << 16) /* ignore uuid during mount */ #define XFS_MOUNT_BARRIER (1ULL << 17) -#define XFS_MOUNT_IDELETE (1ULL << 18) /* delete empty inode clusters*/ +#define XFS_MOUNT_IKEEP (1ULL << 18) /* keep empty inode clusters*/ #define XFS_MOUNT_SWALLOC (1ULL << 19) /* turn on stripe width * allocation */ #define XFS_MOUNT_RDONLY (1ULL << 20) /* read-only fs */ diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index ca83ddf72af4..47082c01872d 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -73,6 +73,18 @@ STATIC int xfs_rtmodify_summary(xfs_mount_t *, xfs_trans_t *, int, */ /* + * xfs_lowbit32: get low bit set out of 32-bit argument, -1 if none set. + */ +STATIC int +xfs_lowbit32( + __uint32_t v) +{ + if (v) + return ffs(v) - 1; + return -1; +} + +/* * Allocate space to the bitmap or summary file, and zero it, for growfs. */ STATIC int /* error */ @@ -432,7 +444,6 @@ xfs_rtallocate_extent_near( } bbno = XFS_BITTOBLOCK(mp, bno); i = 0; - ASSERT(minlen != 0); log2len = xfs_highbit32(minlen); /* * Loop over all bitmap blocks (bbno + i is current block). @@ -601,8 +612,6 @@ xfs_rtallocate_extent_size( xfs_suminfo_t sum; /* summary information for extents */ ASSERT(minlen % prod == 0 && maxlen % prod == 0); - ASSERT(maxlen != 0); - /* * Loop over all the levels starting with maxlen. * At each level, look at all the bitmap blocks, to see if there @@ -660,9 +669,6 @@ xfs_rtallocate_extent_size( *rtblock = NULLRTBLOCK; return 0; } - ASSERT(minlen != 0); - ASSERT(maxlen != 0); - /* * Loop over sizes, from maxlen down to minlen. * This time, when we do the allocations, allow smaller ones @@ -1948,7 +1954,6 @@ xfs_growfs_rt( nsbp->sb_blocksize * nsbp->sb_rextsize); nsbp->sb_rextents = nsbp->sb_rblocks; do_div(nsbp->sb_rextents, nsbp->sb_rextsize); - ASSERT(nsbp->sb_rextents != 0); nsbp->sb_rextslog = xfs_highbit32(nsbp->sb_rextents); nrsumlevels = nmp->m_rsumlevels = nsbp->sb_rextslog + 1; nrsumsize = diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index 413587f02155..7321304a69cc 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -281,8 +281,8 @@ xfs_start_flags( mp->m_readio_log = mp->m_writeio_log = ap->iosizelog; } - if (ap->flags & XFSMNT_IDELETE) - mp->m_flags |= XFS_MOUNT_IDELETE; + if (ap->flags & XFSMNT_IKEEP) + mp->m_flags |= XFS_MOUNT_IKEEP; if (ap->flags & XFSMNT_DIRSYNC) mp->m_flags |= XFS_MOUNT_DIRSYNC; if (ap->flags & XFSMNT_ATTR2) |