Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...
[linux-2.6.git] / fs / xfs / xfs_vfsops.c
index 0cbe005..ec8787d 100644 (file)
@@ -24,7 +24,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_ialloc_btree.h"
 #include "xfs_alloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
@@ -131,9 +129,6 @@ xfs_init(void)
 #ifdef XFS_BMBT_TRACE
        xfs_bmbt_trace_buf = ktrace_alloc(XFS_BMBT_TRACE_SIZE, KM_SLEEP);
 #endif
-#ifdef XFS_DIR_TRACE
-       xfs_dir_trace_buf = ktrace_alloc(XFS_DIR_TRACE_SIZE, KM_SLEEP);
-#endif
 #ifdef XFS_ATTR_TRACE
        xfs_attr_trace_buf = ktrace_alloc(XFS_ATTR_TRACE_SIZE, KM_SLEEP);
 #endif
@@ -177,9 +172,6 @@ xfs_cleanup(void)
 #ifdef XFS_ATTR_TRACE
        ktrace_free(xfs_attr_trace_buf);
 #endif
-#ifdef XFS_DIR_TRACE
-       ktrace_free(xfs_dir_trace_buf);
-#endif
 #ifdef XFS_BMBT_TRACE
        ktrace_free(xfs_bmbt_trace_buf);
 #endif
@@ -212,7 +204,7 @@ xfs_cleanup(void)
  */
 STATIC int
 xfs_start_flags(
-       struct vfs              *vfs,
+       struct bhv_vfs          *vfs,
        struct xfs_mount_args   *ap,
        struct xfs_mount        *mp)
 {
@@ -339,7 +331,7 @@ xfs_start_flags(
  */
 STATIC int
 xfs_finish_flags(
-       struct vfs              *vfs,
+       struct bhv_vfs          *vfs,
        struct xfs_mount_args   *ap,
        struct xfs_mount        *mp)
 {
@@ -427,7 +419,7 @@ xfs_mount(
        struct xfs_mount_args   *args,
        cred_t                  *credp)
 {
-       struct vfs              *vfsp = bhvtovfs(bhvp);
+       struct bhv_vfs          *vfsp = bhvtovfs(bhvp);
        struct bhv_desc         *p;
        struct xfs_mount        *mp = XFS_BHVTOM(bhvp);
        struct block_device     *ddev, *logdev, *rtdev;
@@ -527,7 +519,7 @@ xfs_mount(
        if (error)
                goto error2;
 
-       if ((mp->m_flags & XFS_MOUNT_BARRIER) && !(vfsp->vfs_flag & VFS_RDONLY))
+       if (mp->m_flags & XFS_MOUNT_BARRIER)
                xfs_mountfs_check_barriers(mp);
 
        error = XFS_IOINIT(vfsp, args, flags);
@@ -556,10 +548,10 @@ xfs_unmount(
        int             flags,
        cred_t          *credp)
 {
-       struct vfs      *vfsp = bhvtovfs(bdp);
+       bhv_vfs_t       *vfsp = bhvtovfs(bdp);
        xfs_mount_t     *mp = XFS_BHVTOM(bdp);
        xfs_inode_t     *rip;
-       vnode_t         *rvp;
+       bhv_vnode_t     *rvp;
        int             unmount_event_wanted = 0;
        int             unmount_event_flags = 0;
        int             xfs_unmountfs_needed = 0;
@@ -669,9 +661,8 @@ xfs_mntupdate(
        int                             *flags,
        struct xfs_mount_args           *args)
 {
-       struct vfs      *vfsp = bhvtovfs(bdp);
+       bhv_vfs_t       *vfsp = bhvtovfs(bdp);
        xfs_mount_t     *mp = XFS_BHVTOM(bdp);
-       int             error;
 
        if (!(*flags & MS_RDONLY)) {                    /* rw/ro -> rw */
                if (vfsp->vfs_flag & VFS_RDONLY)
@@ -683,7 +674,7 @@ xfs_mntupdate(
                        mp->m_flags &= ~XFS_MOUNT_BARRIER;
                }
        } else if (!(vfsp->vfs_flag & VFS_RDONLY)) {    /* rw -> ro */
-               VFS_SYNC(vfsp, SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR, NULL, error);
+               bhv_vfs_sync(vfsp, SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR, NULL);
                xfs_quiesce_fs(mp);
                xfs_log_unmount_write(mp);
                xfs_unmountfs_writesb(mp);
@@ -706,7 +697,7 @@ xfs_unmount_flush(
        xfs_inode_t     *rip = mp->m_rootip;
        xfs_inode_t     *rbmip;
        xfs_inode_t     *rsumip = NULL;
-       vnode_t         *rvp = XFS_ITOV(rip);
+       bhv_vnode_t     *rvp = XFS_ITOV(rip);
        int             error;
 
        xfs_ilock(rip, XFS_ILOCK_EXCL);
@@ -785,9 +776,9 @@ fscorrupt_out2:
 STATIC int
 xfs_root(
        bhv_desc_t      *bdp,
-       vnode_t         **vpp)
+       bhv_vnode_t     **vpp)
 {
-       vnode_t         *vp;
+       bhv_vnode_t     *vp;
 
        vp = XFS_ITOV((XFS_BHVTOM(bdp))->m_rootip);
        VN_HOLD(vp);
@@ -805,8 +796,8 @@ xfs_root(
 STATIC int
 xfs_statvfs(
        bhv_desc_t      *bdp,
-       xfs_statfs_t    *statp,
-       vnode_t         *vp)
+       bhv_statvfs_t   *statp,
+       bhv_vnode_t     *vp)
 {
        __uint64_t      fakeinos;
        xfs_extlen_t    lsize;
@@ -824,7 +815,8 @@ xfs_statvfs(
        statp->f_bsize = sbp->sb_blocksize;
        lsize = sbp->sb_logstart ? sbp->sb_logblocks : 0;
        statp->f_blocks = sbp->sb_dblocks - lsize;
-       statp->f_bfree = statp->f_bavail = sbp->sb_fdblocks;
+       statp->f_bfree = statp->f_bavail =
+                               sbp->sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp);
        fakeinos = statp->f_bfree << sbp->sb_inopblog;
 #if XFS_BIG_INUMS
        fakeinos += mp->m_inoadd;
@@ -904,7 +896,7 @@ xfs_sync(
 /*
  * xfs sync routine for internal use
  *
- * This routine supports all of the flags defined for the generic VFS_SYNC
+ * This routine supports all of the flags defined for the generic vfs_sync
  * interface as explained above under xfs_sync.  In the interests of not
  * changing interfaces within the 6.5 family, additional internally-
  * required functions are specified within a separate xflags parameter,
@@ -921,7 +913,7 @@ xfs_sync_inodes(
        xfs_inode_t     *ip = NULL;
        xfs_inode_t     *ip_next;
        xfs_buf_t       *bp;
-       vnode_t         *vp = NULL;
+       bhv_vnode_t     *vp = NULL;
        int             error;
        int             last_error;
        uint64_t        fflag;
@@ -1160,9 +1152,9 @@ xfs_sync_inodes(
                        xfs_iunlock(ip, XFS_ILOCK_SHARED);
 
                        if (XFS_FORCED_SHUTDOWN(mp)) {
-                               VOP_TOSS_PAGES(vp, 0, -1, FI_REMAPF);
+                               bhv_vop_toss_pages(vp, 0, -1, FI_REMAPF);
                        } else {
-                               VOP_FLUSHINVAL_PAGES(vp, 0, -1, FI_REMAPF);
+                               bhv_vop_flushinval_pages(vp, 0, -1, FI_REMAPF);
                        }
 
                        xfs_ilock(ip, XFS_ILOCK_SHARED);
@@ -1182,8 +1174,8 @@ xfs_sync_inodes(
                                 * across calls to the buffer cache.
                                 */
                                xfs_iunlock(ip, XFS_ILOCK_SHARED);
-                               VOP_FLUSH_PAGES(vp, (xfs_off_t)0, -1,
-                                                       fflag, FI_NONE, error);
+                               error = bhv_vop_flush_pages(vp, (xfs_off_t)0,
+                                                       -1, fflag, FI_NONE);
                                xfs_ilock(ip, XFS_ILOCK_SHARED);
                        }
 
@@ -1235,9 +1227,7 @@ xfs_sync_inodes(
                                                 * marker and free it.
                                                 */
                                                XFS_MOUNT_ILOCK(mp);
-
                                                IPOINTER_REMOVE(ip, mp);
-
                                                XFS_MOUNT_IUNLOCK(mp);
 
                                                ASSERT(!(lock_flags &
@@ -1425,7 +1415,7 @@ xfs_sync_inodes(
 /*
  * xfs sync routine for internal use
  *
- * This routine supports all of the flags defined for the generic VFS_SYNC
+ * This routine supports all of the flags defined for the generic vfs_sync
  * interface as explained above under xfs_sync.  In the interests of not
  * changing interfaces within the 6.5 family, additional internally-
  * required functions are specified within a separate xflags parameter,
@@ -1578,7 +1568,7 @@ xfs_syncsub(
 STATIC int
 xfs_vget(
        bhv_desc_t      *bdp,
-       vnode_t         **vpp,
+       bhv_vnode_t     **vpp,
        fid_t           *fidp)
 {
        xfs_mount_t     *mp = XFS_BHVTOM(bdp);
@@ -1662,10 +1652,10 @@ xfs_vget(
 #define MNTOPT_TAGXID  "tagxid"        /* context xid tagging for inodes */
 
 STATIC unsigned long
-suffix_strtoul(const char *cp, char **endp, unsigned int base)
+suffix_strtoul(char *s, char **endp, unsigned int base)
 {
        int     last, shift_left_factor = 0;
-       char    *value = (char *)cp;
+       char    *value = s;
 
        last = strlen(value) - 1;
        if (value[last] == 'K' || value[last] == 'k') {
@@ -1681,7 +1671,7 @@ suffix_strtoul(const char *cp, char **endp, unsigned int base)
                value[last] = '\0';
        }
 
-       return simple_strtoul(cp, endp, base) << shift_left_factor;
+       return simple_strtoul((const char *)s, endp, base) << shift_left_factor;
 }
 
 STATIC int
@@ -1691,7 +1681,7 @@ xfs_parseargs(
        struct xfs_mount_args   *args,
        int                     update)
 {
-       struct vfs              *vfsp = bhvtovfs(bhv);
+       bhv_vfs_t               *vfsp = bhvtovfs(bhv);
        char                    *this_char, *value, *eov;
        int                     dsunit, dswidth, vol_dsunit, vol_dswidth;
        int                     iosize;
@@ -1713,42 +1703,48 @@ xfs_parseargs(
 
                if (!strcmp(this_char, MNTOPT_LOGBUFS)) {
                        if (!value || !*value) {
-                               printk("XFS: %s option requires an argument\n",
+                               cmn_err(CE_WARN,
+                                       "XFS: %s option requires an argument",
                                        this_char);
                                return EINVAL;
                        }
                        args->logbufs = simple_strtoul(value, &eov, 10);
                } else if (!strcmp(this_char, MNTOPT_LOGBSIZE)) {
                        if (!value || !*value) {
-                               printk("XFS: %s option requires an argument\n",
+                               cmn_err(CE_WARN,
+                                       "XFS: %s option requires an argument",
                                        this_char);
                                return EINVAL;
                        }
                        args->logbufsize = suffix_strtoul(value, &eov, 10);
                } else if (!strcmp(this_char, MNTOPT_LOGDEV)) {
                        if (!value || !*value) {
-                               printk("XFS: %s option requires an argument\n",
+                               cmn_err(CE_WARN,
+                                       "XFS: %s option requires an argument",
                                        this_char);
                                return EINVAL;
                        }
                        strncpy(args->logname, value, MAXNAMELEN);
                } else if (!strcmp(this_char, MNTOPT_MTPT)) {
                        if (!value || !*value) {
-                               printk("XFS: %s option requires an argument\n",
+                               cmn_err(CE_WARN,
+                                       "XFS: %s option requires an argument",
                                        this_char);
                                return EINVAL;
                        }
                        strncpy(args->mtpt, value, MAXNAMELEN);
                } else if (!strcmp(this_char, MNTOPT_RTDEV)) {
                        if (!value || !*value) {
-                               printk("XFS: %s option requires an argument\n",
+                               cmn_err(CE_WARN,
+                                       "XFS: %s option requires an argument",
                                        this_char);
                                return EINVAL;
                        }
                        strncpy(args->rtname, value, MAXNAMELEN);
                } else if (!strcmp(this_char, MNTOPT_BIOSIZE)) {
                        if (!value || !*value) {
-                               printk("XFS: %s option requires an argument\n",
+                               cmn_err(CE_WARN,
+                                       "XFS: %s option requires an argument",
                                        this_char);
                                return EINVAL;
                        }
@@ -1757,7 +1753,8 @@ xfs_parseargs(
                        args->iosizelog = (uint8_t) iosize;
                } else if (!strcmp(this_char, MNTOPT_ALLOCSIZE)) {
                        if (!value || !*value) {
-                               printk("XFS: %s option requires an argument\n",
+                               cmn_err(CE_WARN,
+                                       "XFS: %s option requires an argument",
                                        this_char);
                                return EINVAL;
                        }
@@ -1766,7 +1763,8 @@ xfs_parseargs(
                        args->iosizelog = ffs(iosize) - 1;
                } else if (!strcmp(this_char, MNTOPT_IHASHSIZE)) {
                        if (!value || !*value) {
-                               printk("XFS: %s option requires an argument\n",
+                               cmn_err(CE_WARN,
+                                       "XFS: %s option requires an argument",
                                        this_char);
                                return EINVAL;
                        }
@@ -1787,7 +1785,8 @@ xfs_parseargs(
                } else if (!strcmp(this_char, MNTOPT_INO64)) {
                        args->flags |= XFSMNT_INO64;
 #if !XFS_BIG_INUMS
-                       printk("XFS: %s option not allowed on this system\n",
+                       cmn_err(CE_WARN,
+                               "XFS: %s option not allowed on this system",
                                this_char);
                        return EINVAL;
 #endif
@@ -1797,14 +1796,16 @@ xfs_parseargs(
                        args->flags |= XFSMNT_SWALLOC;
                } else if (!strcmp(this_char, MNTOPT_SUNIT)) {
                        if (!value || !*value) {
-                               printk("XFS: %s option requires an argument\n",
+                               cmn_err(CE_WARN,
+                                       "XFS: %s option requires an argument",
                                        this_char);
                                return EINVAL;
                        }
                        dsunit = simple_strtoul(value, &eov, 10);
                } else if (!strcmp(this_char, MNTOPT_SWIDTH)) {
                        if (!value || !*value) {
-                               printk("XFS: %s option requires an argument\n",
+                               cmn_err(CE_WARN,
+                                       "XFS: %s option requires an argument",
                                        this_char);
                                return EINVAL;
                        }
@@ -1812,7 +1813,8 @@ xfs_parseargs(
                } else if (!strcmp(this_char, MNTOPT_64BITINODE)) {
                        args->flags &= ~XFSMNT_32BITINODES;
 #if !XFS_BIG_INUMS
-                       printk("XFS: %s option not allowed on this system\n",
+                       cmn_err(CE_WARN,
+                               "XFS: %s option not allowed on this system",
                                this_char);
                        return EINVAL;
 #endif
@@ -1840,36 +1842,41 @@ xfs_parseargs(
 #endif
                } else if (!strcmp(this_char, "osyncisdsync")) {
                        /* no-op, this is now the default */
-printk("XFS: osyncisdsync is now the default, option is deprecated.\n");
+                       cmn_err(CE_WARN,
+       "XFS: osyncisdsync is now the default, option is deprecated.");
                } else if (!strcmp(this_char, "irixsgid")) {
-printk("XFS: irixsgid is now a sysctl(2) variable, option is deprecated.\n");
+                       cmn_err(CE_WARN,
+       "XFS: irixsgid is now a sysctl(2) variable, option is deprecated.");
                } else {
-                       printk("XFS: unknown mount option [%s].\n", this_char);
+                       cmn_err(CE_WARN,
+                               "XFS: unknown mount option [%s].", this_char);
                        return EINVAL;
                }
        }
 
        if (args->flags & XFSMNT_NORECOVERY) {
                if ((vfsp->vfs_flag & VFS_RDONLY) == 0) {
-                       printk("XFS: no-recovery mounts must be read-only.\n");
+                       cmn_err(CE_WARN,
+                               "XFS: no-recovery mounts must be read-only.");
                        return EINVAL;
                }
        }
 
        if ((args->flags & XFSMNT_NOALIGN) && (dsunit || dswidth)) {
-               printk(
-       "XFS: sunit and swidth options incompatible with the noalign option\n");
+               cmn_err(CE_WARN,
+       "XFS: sunit and swidth options incompatible with the noalign option");
                return EINVAL;
        }
 
        if ((dsunit && !dswidth) || (!dsunit && dswidth)) {
-               printk("XFS: sunit and swidth must be specified together\n");
+               cmn_err(CE_WARN,
+                       "XFS: sunit and swidth must be specified together");
                return EINVAL;
        }
 
        if (dsunit && (dswidth % dsunit != 0)) {
-               printk(
-       "XFS: stripe width (%d) must be a multiple of the stripe unit (%d)\n",
+               cmn_err(CE_WARN,
+       "XFS: stripe width (%d) must be a multiple of the stripe unit (%d)",
                        dswidth, dsunit);
                return EINVAL;
        }
@@ -1916,7 +1923,7 @@ xfs_showargs(
        };
        struct proc_xfs_info    *xfs_infop;
        struct xfs_mount        *mp = XFS_BHVTOM(bhv);
-       struct vfs              *vfsp = XFS_MTOVFS(mp);
+       struct bhv_vfs          *vfsp = XFS_MTOVFS(mp);
 
        for (xfs_infop = xfs_info; xfs_infop->flag; xfs_infop++) {
                if (mp->m_flags & xfs_infop->flag)
@@ -1976,7 +1983,7 @@ xfs_freeze(
 }
 
 
-vfsops_t xfs_vfsops = {
+bhv_vfsops_t xfs_vfsops = {
        BHV_IDENTITY_INIT(VFS_BHV_XFS,VFS_POSITION_XFS),
        .vfs_parseargs          = xfs_parseargs,
        .vfs_showargs           = xfs_showargs,