static const struct super_operations xfs_super_operations;
static kmem_zone_t *xfs_ioend_zone;
mempool_t *xfs_ioend_pool;
+struct kset *xfs_kset;
#define MNTOPT_LOGBUFS "logbufs" /* number of XFS log buffers */
#define MNTOPT_LOGBSIZE "logbsize" /* size of XFS log buffers */
*/
mp->m_fsname = kstrndup(sb->s_id, MAXNAMELEN, GFP_KERNEL);
if (!mp->m_fsname)
- return ENOMEM;
+ return -ENOMEM;
mp->m_fsname_len = strlen(mp->m_fsname) + 1;
/*
*/
mp->m_flags |= XFS_MOUNT_BARRIER;
mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
-#if !XFS_BIG_INUMS
- mp->m_flags |= XFS_MOUNT_SMALL_INUMS;
-#endif
/*
* These can be overridden by the mount option parsing.
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
- return EINVAL;
+ return -EINVAL;
}
if (kstrtoint(value, 10, &mp->m_logbufs))
- return EINVAL;
+ return -EINVAL;
} else if (!strcmp(this_char, MNTOPT_LOGBSIZE)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
- return EINVAL;
+ return -EINVAL;
}
if (suffix_kstrtoint(value, 10, &mp->m_logbsize))
- return EINVAL;
+ return -EINVAL;
} else if (!strcmp(this_char, MNTOPT_LOGDEV)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
- return EINVAL;
+ return -EINVAL;
}
mp->m_logname = kstrndup(value, MAXNAMELEN, GFP_KERNEL);
if (!mp->m_logname)
- return ENOMEM;
+ return -ENOMEM;
} else if (!strcmp(this_char, MNTOPT_MTPT)) {
xfs_warn(mp, "%s option not allowed on this system",
this_char);
- return EINVAL;
+ return -EINVAL;
} else if (!strcmp(this_char, MNTOPT_RTDEV)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
- return EINVAL;
+ return -EINVAL;
}
mp->m_rtname = kstrndup(value, MAXNAMELEN, GFP_KERNEL);
if (!mp->m_rtname)
- return ENOMEM;
+ return -ENOMEM;
} else if (!strcmp(this_char, MNTOPT_BIOSIZE)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
- return EINVAL;
+ return -EINVAL;
}
if (kstrtoint(value, 10, &iosize))
- return EINVAL;
+ return -EINVAL;
iosizelog = ffs(iosize) - 1;
} else if (!strcmp(this_char, MNTOPT_ALLOCSIZE)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
- return EINVAL;
+ return -EINVAL;
}
if (suffix_kstrtoint(value, 10, &iosize))
- return EINVAL;
+ return -EINVAL;
iosizelog = ffs(iosize) - 1;
} else if (!strcmp(this_char, MNTOPT_GRPID) ||
!strcmp(this_char, MNTOPT_BSDGROUPS)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
- return EINVAL;
+ return -EINVAL;
}
if (kstrtoint(value, 10, &dsunit))
- return EINVAL;
+ return -EINVAL;
} else if (!strcmp(this_char, MNTOPT_SWIDTH)) {
if (!value || !*value) {
xfs_warn(mp, "%s option requires an argument",
this_char);
- return EINVAL;
+ return -EINVAL;
}
if (kstrtoint(value, 10, &dswidth))
- return EINVAL;
+ return -EINVAL;
} else if (!strcmp(this_char, MNTOPT_32BITINODE)) {
mp->m_flags |= XFS_MOUNT_SMALL_INUMS;
} else if (!strcmp(this_char, MNTOPT_64BITINODE)) {
mp->m_flags &= ~XFS_MOUNT_SMALL_INUMS;
-#if !XFS_BIG_INUMS
- xfs_warn(mp, "%s option not allowed on this system",
- this_char);
- return EINVAL;
-#endif
} else if (!strcmp(this_char, MNTOPT_NOUUID)) {
mp->m_flags |= XFS_MOUNT_NOUUID;
} else if (!strcmp(this_char, MNTOPT_BARRIER)) {
"irixsgid is now a sysctl(2) variable, option is deprecated.");
} else {
xfs_warn(mp, "unknown mount option [%s].", this_char);
- return EINVAL;
+ return -EINVAL;
}
}
if ((mp->m_flags & XFS_MOUNT_NORECOVERY) &&
!(mp->m_flags & XFS_MOUNT_RDONLY)) {
xfs_warn(mp, "no-recovery mounts must be read-only.");
- return EINVAL;
+ return -EINVAL;
}
if ((mp->m_flags & XFS_MOUNT_NOALIGN) && (dsunit || dswidth)) {
xfs_warn(mp,
"sunit and swidth options incompatible with the noalign option");
- return EINVAL;
+ return -EINVAL;
}
#ifndef CONFIG_XFS_QUOTA
if (XFS_IS_QUOTA_RUNNING(mp)) {
xfs_warn(mp, "quota support not available in this kernel.");
- return EINVAL;
+ return -EINVAL;
}
#endif
if ((dsunit && !dswidth) || (!dsunit && dswidth)) {
xfs_warn(mp, "sunit and swidth must be specified together");
- return EINVAL;
+ return -EINVAL;
}
if (dsunit && (dswidth % dsunit != 0)) {
xfs_warn(mp,
"stripe width (%d) must be a multiple of the stripe unit (%d)",
dswidth, dsunit);
- return EINVAL;
+ return -EINVAL;
}
done:
mp->m_logbufs > XLOG_MAX_ICLOGS)) {
xfs_warn(mp, "invalid logbufs value: %d [not %d-%d]",
mp->m_logbufs, XLOG_MIN_ICLOGS, XLOG_MAX_ICLOGS);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
if (mp->m_logbsize != -1 &&
mp->m_logbsize != 0 &&
xfs_warn(mp,
"invalid logbufsize: %d [not 16k,32k,64k,128k or 256k]",
mp->m_logbsize);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
if (iosizelog) {
xfs_warn(mp, "invalid log iosize: %d [not %d-%d]",
iosizelog, XFS_MIN_IO_LOG,
XFS_MAX_IO_LOG);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mp->m_flags |= XFS_MOUNT_DFLT_IOSIZE;
return (((__uint64_t)pagefactor) << bitshift) - 1;
}
+/*
+ * xfs_set_inode32() and xfs_set_inode64() are passed an agcount
+ * because in the growfs case, mp->m_sb.sb_agcount is not updated
+ * yet to the potentially higher ag count.
+ */
xfs_agnumber_t
-xfs_set_inode32(struct xfs_mount *mp)
+xfs_set_inode32(struct xfs_mount *mp, xfs_agnumber_t agcount)
{
xfs_agnumber_t index = 0;
xfs_agnumber_t maxagi = 0;
xfs_sb_t *sbp = &mp->m_sb;
xfs_agnumber_t max_metadata;
- xfs_agino_t agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks -1, 0);
- xfs_ino_t ino = XFS_AGINO_TO_INO(mp, sbp->sb_agcount -1, agino);
+ xfs_agino_t agino;
+ xfs_ino_t ino;
xfs_perag_t *pag;
/* Calculate how much should be reserved for inodes to meet
do_div(icount, sbp->sb_agblocks);
max_metadata = icount;
} else {
- max_metadata = sbp->sb_agcount;
+ max_metadata = agcount;
}
- for (index = 0; index < sbp->sb_agcount; index++) {
+ agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks - 1, 0);
+
+ for (index = 0; index < agcount; index++) {
ino = XFS_AGINO_TO_INO(mp, index, agino);
if (ino > XFS_MAXINUMBER_32) {
}
xfs_agnumber_t
-xfs_set_inode64(struct xfs_mount *mp)
+xfs_set_inode64(struct xfs_mount *mp, xfs_agnumber_t agcount)
{
xfs_agnumber_t index = 0;
- for (index = 0; index < mp->m_sb.sb_agcount; index++) {
+ for (index = 0; index < agcount; index++) {
struct xfs_perag *pag;
pag = xfs_perag_get(mp, index);
xfs_warn(mp, "Invalid device [%s], error=%d\n", name, error);
}
- return -error;
+ return error;
}
STATIC void
if (rtdev == ddev || rtdev == logdev) {
xfs_warn(mp,
"Cannot mount filesystem with identical rtdev and ddev/logdev.");
- error = EINVAL;
+ error = -EINVAL;
goto out_close_rtdev;
}
}
/*
* Setup xfs_mount buffer target pointers
*/
- error = ENOMEM;
+ error = -ENOMEM;
mp->m_ddev_targp = xfs_alloc_buftarg(mp, ddev);
if (!mp->m_ddev_targp)
goto out_close_rtdev;
char *options)
{
struct xfs_mount *mp = XFS_M(sb);
+ xfs_sb_t *sbp = &mp->m_sb;
substring_t args[MAX_OPT_ARGS];
char *p;
int error;
mp->m_flags &= ~XFS_MOUNT_BARRIER;
break;
case Opt_inode64:
- mp->m_maxagi = xfs_set_inode64(mp);
+ mp->m_maxagi = xfs_set_inode64(mp, sbp->sb_agcount);
break;
case Opt_inode32:
- mp->m_maxagi = xfs_set_inode32(mp);
+ mp->m_maxagi = xfs_set_inode32(mp, sbp->sb_agcount);
break;
default:
/*
xfs_save_resvblks(mp);
xfs_quiesce_attr(mp);
- return -xfs_fs_log_dummy(mp);
+ return xfs_fs_log_dummy(mp);
}
STATIC int
struct seq_file *m,
struct dentry *root)
{
- return -xfs_showargs(XFS_M(root->d_sb), m);
+ return xfs_showargs(XFS_M(root->d_sb), m);
}
/*
mp->m_logbsize < mp->m_sb.sb_logsunit) {
xfs_warn(mp,
"logbuf size must be greater than or equal to log stripe size");
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
} else {
/* Fail a mount if the logbuf is larger than 32K */
if (mp->m_logbsize > XLOG_BIG_RECORD_BSIZE) {
xfs_warn(mp,
"logbuf size for version 1 logs must be 16K or 32K");
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
}
xfs_warn(mp,
"Cannot mount a V5 filesystem as %s. %s is always enabled for V5 filesystems.",
MNTOPT_NOATTR2, MNTOPT_ATTR2);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
/*
if ((mp->m_sb.sb_flags & XFS_SBF_READONLY) && !ronly) {
xfs_warn(mp,
"cannot mount a read-only filesystem as read-write");
- return XFS_ERROR(EROFS);
+ return -EROFS;
}
if ((mp->m_qflags & (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE)) &&
!xfs_sb_version_has_pquotino(&mp->m_sb)) {
xfs_warn(mp,
"Super block does not support project and group quota together");
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
return 0;
{
struct inode *root;
struct xfs_mount *mp = NULL;
- int flags = 0, error = ENOMEM;
+ int flags = 0, error = -ENOMEM;
mp = kzalloc(sizeof(struct xfs_mount), GFP_KERNEL);
if (!mp)
if (error)
goto out_free_fsname;
- error = -xfs_init_mount_workqueues(mp);
+ error = xfs_init_mount_workqueues(mp);
if (error)
goto out_close_devices;
- error = -xfs_icsb_init_counters(mp);
+ error = xfs_icsb_init_counters(mp);
if (error)
goto out_destroy_workqueues;
root = igrab(VFS_I(mp->m_rootip));
if (!root) {
- error = ENOENT;
+ error = -ENOENT;
goto out_unmount;
}
sb->s_root = d_make_root(root);
if (!sb->s_root) {
- error = ENOMEM;
+ error = -ENOMEM;
goto out_unmount;
}
xfs_free_fsname(mp);
kfree(mp);
out:
- return -error;
+ return error;
out_unmount:
xfs_filestream_unmount(mp);
if (error)
goto out_cleanup_procfs;
+ xfs_kset = kset_create_and_add("xfs", NULL, fs_kobj);
+ if (!xfs_kset) {
+ error = -ENOMEM;
+ goto out_sysctl_unregister;;
+ }
+
error = xfs_qm_init();
if (error)
- goto out_sysctl_unregister;
+ goto out_kset_unregister;
error = register_filesystem(&xfs_fs_type);
if (error)
out_qm_exit:
xfs_qm_exit();
+ out_kset_unregister:
+ kset_unregister(xfs_kset);
out_sysctl_unregister:
xfs_sysctl_unregister();
out_cleanup_procfs:
{
xfs_qm_exit();
unregister_filesystem(&xfs_fs_type);
+ kset_unregister(xfs_kset);
xfs_sysctl_unregister();
xfs_cleanup_procfs();
xfs_buf_terminate();
projects / firefly-linux-kernel-4.4.55.git / blobdiff