+// SPDX-License-Identifier: GPL-2.0
/*
* 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
*/
#include "libxfs_priv.h"
#include "xfs_ialloc.h"
#include "xfs_alloc.h"
#include "xfs_bit.h"
+#include "xfs_da_format.h"
+#include "xfs_da_btree.h"
+#include "xfs_dir2_priv.h"
/*
* Calculate the worst case log unit reservation for a given superblock
if (flags & XFS_ICHGTIME_CHG)
VFS_I(ip)->i_ctime = tv;
if (flags & XFS_ICHGTIME_CREATE) {
- ip->i_d.di_crtime.t_sec = (__int32_t)tv.tv_sec;
- ip->i_d.di_crtime.t_nsec = (__int32_t)tv.tv_nsec;
+ ip->i_d.di_crtime.t_sec = (int32_t)tv.tv_sec;
+ ip->i_d.di_crtime.t_nsec = (int32_t)tv.tv_nsec;
}
}
+STATIC uint16_t
+xfs_flags2diflags(
+ struct xfs_inode *ip,
+ unsigned int xflags)
+{
+ /* can't set PREALLOC this way, just preserve it */
+ uint16_t di_flags =
+ (ip->i_d.di_flags & XFS_DIFLAG_PREALLOC);
+
+ if (xflags & FS_XFLAG_IMMUTABLE)
+ di_flags |= XFS_DIFLAG_IMMUTABLE;
+ if (xflags & FS_XFLAG_APPEND)
+ di_flags |= XFS_DIFLAG_APPEND;
+ if (xflags & FS_XFLAG_SYNC)
+ di_flags |= XFS_DIFLAG_SYNC;
+ if (xflags & FS_XFLAG_NOATIME)
+ di_flags |= XFS_DIFLAG_NOATIME;
+ if (xflags & FS_XFLAG_NODUMP)
+ di_flags |= XFS_DIFLAG_NODUMP;
+ if (xflags & FS_XFLAG_NODEFRAG)
+ di_flags |= XFS_DIFLAG_NODEFRAG;
+ if (xflags & FS_XFLAG_FILESTREAM)
+ di_flags |= XFS_DIFLAG_FILESTREAM;
+ if (S_ISDIR(VFS_I(ip)->i_mode)) {
+ if (xflags & FS_XFLAG_RTINHERIT)
+ di_flags |= XFS_DIFLAG_RTINHERIT;
+ if (xflags & FS_XFLAG_NOSYMLINKS)
+ di_flags |= XFS_DIFLAG_NOSYMLINKS;
+ if (xflags & FS_XFLAG_EXTSZINHERIT)
+ di_flags |= XFS_DIFLAG_EXTSZINHERIT;
+ if (xflags & FS_XFLAG_PROJINHERIT)
+ di_flags |= XFS_DIFLAG_PROJINHERIT;
+ } else if (S_ISREG(VFS_I(ip)->i_mode)) {
+ if (xflags & FS_XFLAG_REALTIME)
+ di_flags |= XFS_DIFLAG_REALTIME;
+ if (xflags & FS_XFLAG_EXTSIZE)
+ di_flags |= XFS_DIFLAG_EXTSIZE;
+ }
+
+ return di_flags;
+}
+
+STATIC uint64_t
+xfs_flags2diflags2(
+ struct xfs_inode *ip,
+ unsigned int xflags)
+{
+ uint64_t di_flags2 =
+ (ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK);
+
+ if (xflags & FS_XFLAG_DAX)
+ di_flags2 |= XFS_DIFLAG2_DAX;
+ if (xflags & FS_XFLAG_COWEXTSIZE)
+ di_flags2 |= XFS_DIFLAG2_COWEXTSIZE;
+
+ return di_flags2;
+}
+
/*
* Allocate an inode on disk and return a copy of its in-core version.
* Set mode, nlink, and rdev appropriately within the inode.
* This was once shared with the kernel, but has diverged to the point
* where it's no longer worth the hassle of maintaining common code.
*/
-int
+static int
libxfs_ialloc(
xfs_trans_t *tp,
xfs_inode_t *pip,
xfs_dev_t rdev,
struct cred *cr,
struct fsxattr *fsx,
- int okalloc,
xfs_buf_t **ialloc_context,
xfs_inode_t **ipp)
{
* Call the space management code to pick
* the on-disk inode to be allocated.
*/
- error = xfs_dialloc(tp, pip ? pip->i_ino : 0, mode, okalloc,
+ error = xfs_dialloc(tp, pip ? pip->i_ino : 0, mode,
ialloc_context, &ino);
if (error != 0)
return error;
ip->i_d.di_extsize = pip ? 0 : fsx->fsx_extsize;
ip->i_d.di_dmevmask = 0;
ip->i_d.di_dmstate = 0;
- ip->i_d.di_flags = pip ? 0 : fsx->fsx_xflags;
+ ip->i_d.di_flags = pip ? 0 : xfs_flags2diflags(ip, fsx->fsx_xflags);
if (ip->i_d.di_version == 3) {
ASSERT(ip->i_d.di_ino == ino);
ASSERT(uuid_equal(&ip->i_d.di_uuid, &mp->m_sb.sb_meta_uuid));
VFS_I(ip)->i_version = 1;
- ip->i_d.di_flags2 = 0;
- ip->i_d.di_crtime.t_sec = (__int32_t)VFS_I(ip)->i_mtime.tv_sec;
- ip->i_d.di_crtime.t_nsec = (__int32_t)VFS_I(ip)->i_mtime.tv_nsec;
+ ip->i_d.di_flags2 = pip ? 0 : xfs_flags2diflags2(ip,
+ fsx->fsx_xflags);
+ ip->i_d.di_crtime.t_sec = (int32_t)VFS_I(ip)->i_mtime.tv_sec;
+ ip->i_d.di_crtime.t_nsec = (int32_t)VFS_I(ip)->i_mtime.tv_nsec;
+ ip->i_d.di_cowextsize = pip ? 0 : fsx->fsx_cowextsize;
}
flags = XFS_ILOG_CORE;
case S_IFCHR:
case S_IFBLK:
ip->i_d.di_format = XFS_DINODE_FMT_DEV;
- ip->i_df.if_u2.if_rdev = rdev;
flags |= XFS_ILOG_DEV;
+ VFS_I(ip)->i_rdev = rdev;
break;
case S_IFREG:
case S_IFDIR:
case S_IFLNK:
ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS;
ip->i_df.if_flags = XFS_IFEXTENTS;
- ip->i_df.if_bytes = ip->i_df.if_real_bytes = 0;
- ip->i_df.if_u1.if_extents = NULL;
+ ip->i_df.if_bytes = 0;
+ ip->i_df.if_u1.if_root = NULL;
break;
default:
ASSERT(0);
return 0;
}
-void
+static void
libxfs_iprint(
xfs_inode_t *ip)
{
struct xfs_icdinode *dip;
- xfs_bmbt_rec_host_t *ep;
- xfs_extnum_t i;
- xfs_extnum_t nextents;
+ xfs_extnum_t i = 0;
+ struct xfs_ifork *ifp; /* inode fork pointer */
+ struct xfs_iext_cursor icur;
+ xfs_bmbt_irec_t rec;
printf("Inode %lx\n", (unsigned long)ip);
printf(" i_ino %llx\n", (unsigned long long)ip->i_ino);
printf("EXTENTS ");
printf("\n");
printf(" i_df.if_bytes %d\n", ip->i_df.if_bytes);
- printf(" i_df.if_u1.if_extents/if_data %lx\n",
- (unsigned long)ip->i_df.if_u1.if_extents);
+ printf(" i_df.if_u1.if_root/if_data %lx\n",
+ (unsigned long)ip->i_df.if_u1.if_root);
if (ip->i_df.if_flags & XFS_IFEXTENTS) {
- nextents = ip->i_df.if_bytes / (uint)sizeof(*ep);
- for (ep = ip->i_df.if_u1.if_extents, i = 0; i < nextents;
- i++, ep++) {
- xfs_bmbt_irec_t rec;
-
- xfs_bmbt_get_all(ep, &rec);
+ ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
+ for_each_xfs_iext(ifp, &icur, &rec) {
printf("\t%d: startoff %llu, startblock 0x%llx,"
" blockcount %llu, state %d\n",
i, (unsigned long long)rec.br_startoff,
(unsigned long long)rec.br_startblock,
(unsigned long long)rec.br_blockcount,
(int)rec.br_state);
+ i++;
}
}
printf(" i_df.if_broot %lx\n", (unsigned long)ip->i_df.if_broot);
xfs_dinode_t *dip;
xfs_mount_t *mp;
- ASSERT(XFS_BUF_FSPRIVATE(bp, void *) != NULL);
+ ASSERT(bp-b_log_item != NULL);
ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE ||
ip->i_d.di_nextents > ip->i_df.if_ext_max);
ASSERT(ip->i_d.di_version > 1);
if (ip->i_d.di_version == 3)
VFS_I(ip)->i_version++;
+ /* Check the inline fork data before we write out. */
+ if (!libxfs_inode_verify_forks(ip, &xfs_default_ifork_ops))
+ return -EFSCORRUPTED;
+
/*
* Copy the dirty parts of the inode into the on-disk
* inode. We always copy out the core of the inode,
xfs_filblks_t datablocks;
xfs_filblks_t allocated_fsb;
xfs_filblks_t allocatesize_fsb;
- xfs_fsblock_t firstfsb;
- xfs_bmap_free_t free_list;
xfs_bmbt_irec_t *imapp;
xfs_bmbt_irec_t imaps[1];
int reccount;
}
xfs_trans_ijoin(tp, ip, 0);
- xfs_bmap_init(&free_list, &firstfsb);
error = xfs_bmapi_write(tp, ip, startoffset_fsb, allocatesize_fsb,
- xfs_bmapi_flags, &firstfsb, 0, imapp,
- &reccount, &free_list);
+ xfs_bmapi_flags, 0, imapp, &reccount);
if (error)
goto error0;
- /* complete the transaction */
- error = xfs_bmap_finish(&tp, &free_list, ip);
- if (error)
- goto error0;
-
+ /*
+ * Complete the transaction
+ */
error = xfs_trans_commit(tp);
if (error)
break;
return error;
error0: /* Cancel bmap, cancel trans */
- xfs_bmap_cancel(&free_list);
xfs_trans_cancel(tp);
return error;
}
-unsigned int
-libxfs_log2_roundup(unsigned int i)
-{
- unsigned int rval;
-
- for (rval = 0; rval < NBBY * sizeof(i); rval++) {
- if ((1 << rval) >= i)
- break;
- }
- return rval;
-}
-
/*
* Wrapper around call to libxfs_ialloc. Takes care of committing and
* allocating a new transaction as needed.
ialloc_context = (xfs_buf_t *)0;
error = libxfs_ialloc(*tp, pip, mode, nlink, rdev, cr, fsx,
- 1, &ialloc_context, &ip);
+ &ialloc_context, &ip);
if (error) {
*ipp = NULL;
return error;
xfs_trans_bhold(*tp, ialloc_context);
- error = xfs_trans_roll(tp, NULL);
+ error = xfs_trans_roll(tp);
if (error) {
fprintf(stderr, _("%s: cannot duplicate transaction: %s\n"),
progname, strerror(error));
}
xfs_trans_bjoin(*tp, ialloc_context);
error = libxfs_ialloc(*tp, pip, mode, nlink, rdev, cr,
- fsx, 1, &ialloc_context, &ip);
+ fsx, &ialloc_context, &ip);
if (!ip)
error = -ENOSPC;
if (error)
vfprintf(stderr, fmt, ap);
fprintf(stderr, " This is a bug.\n");
fprintf(stderr, "%s version %s\n", progname, VERSION);
- fprintf(stderr, "Please capture the filesystem metadata with "
- "xfs_metadump and\nreport it to xfs@oss.sgi.com.\n");
+ fprintf(stderr,
+ "Please capture the filesystem metadata with xfs_metadump and\n"
+ "report it to linux-xfs@vger.kernel.org\n");
va_end(ap);
}
*/
void
xfs_verifier_error(
- struct xfs_buf *bp)
+ struct xfs_buf *bp,
+ int error,
+ xfs_failaddr_t failaddr)
{
- xfs_alert(NULL, "Metadata %s detected at %s block 0x%llx/0x%x",
+ xfs_buf_ioerror(bp, error);
+
+ xfs_alert(NULL, "Metadata %s detected at %p, %s block 0x%llx/0x%x",
bp->b_error == -EFSBADCRC ? "CRC error" : "corruption",
+ failaddr ? failaddr : __return_address,
bp->b_ops->name, bp->b_bn, BBTOB(bp->b_length));
}
+/*
+ * Warnings for inode corruption problems. Don't bother with the stack
+ * trace unless the error level is turned up high.
+ */
+void
+xfs_inode_verifier_error(
+ struct xfs_inode *ip,
+ int error,
+ const char *name,
+ void *buf,
+ size_t bufsz,
+ xfs_failaddr_t failaddr)
+{
+ xfs_alert(NULL, "Metadata %s detected at %p, inode 0x%llx %s",
+ error == -EFSBADCRC ? "CRC error" : "corruption",
+ failaddr ? failaddr : __return_address,
+ ip->i_ino, name);
+}
+
/*
* This is called from I/O verifiers on v5 superblock filesystems. In the
* kernel, it validates the metadata LSN parameter against the current LSN of
* repair can validate it against the state of the log.
*/
xfs_lsn_t libxfs_max_lsn = 0;
-pthread_mutex_t libxfs_max_lsn_lock = PTHREAD_MUTEX_INITIALIZER;
+static pthread_mutex_t libxfs_max_lsn_lock = PTHREAD_MUTEX_INITIALIZER;
bool
xfs_log_check_lsn(
return libxfs_device_zero(xfs_find_bdev_for_inode(ip), sector, size);
}
+unsigned int
+hweight8(unsigned int w)
+{
+ unsigned int res = w - ((w >> 1) & 0x55);
+ res = (res & 0x33) + ((res >> 2) & 0x33);
+ return (res + (res >> 4)) & 0x0F;
+}
+
+unsigned int
+hweight32(unsigned int w)
+{
+ unsigned int res = w - ((w >> 1) & 0x55555555);
+ res = (res & 0x33333333) + ((res >> 2) & 0x33333333);
+ res = (res + (res >> 4)) & 0x0F0F0F0F;
+ res = res + (res >> 8);
+ return (res + (res >> 16)) & 0x000000FF;
+}
+
+unsigned int
+hweight64(__u64 w)
+{
+ return hweight32((unsigned int)w) +
+ hweight32((unsigned int)(w >> 32));
+}
+