*/
#include "xfs.h"
-#include "xfs_log.h"
-#include "xfs_inum.h"
-#include "xfs_trans.h"
+#include "xfs_shared.h"
+#include "xfs_format.h"
+#include "xfs_log_format.h"
+#include "xfs_trans_resv.h"
#include "xfs_sb.h"
-#include "xfs_ag.h"
-#include "xfs_dir2.h"
-#include "xfs_alloc.h"
-#include "xfs_quota.h"
#include "xfs_mount.h"
-#include "xfs_bmap_btree.h"
-#include "xfs_alloc_btree.h"
-#include "xfs_ialloc_btree.h"
-#include "xfs_dinode.h"
+#include "xfs_da_format.h"
#include "xfs_inode.h"
#include "xfs_btree.h"
-#include "xfs_ialloc.h"
#include "xfs_bmap.h"
-#include "xfs_rtalloc.h"
+#include "xfs_alloc.h"
#include "xfs_error.h"
-#include "xfs_itable.h"
#include "xfs_fsops.h"
-#include "xfs_attr.h"
+#include "xfs_trans.h"
#include "xfs_buf_item.h"
-#include "xfs_utils.h"
-#include "xfs_vnodeops.h"
+#include "xfs_log.h"
#include "xfs_log_priv.h"
-#include "xfs_trans_priv.h"
-#include "xfs_filestream.h"
#include "xfs_da_btree.h"
+#include "xfs_dir2.h"
#include "xfs_extfree_item.h"
#include "xfs_mru_cache.h"
#include "xfs_inode_item.h"
#include "xfs_icache.h"
#include "xfs_trace.h"
+#include "xfs_icreate_item.h"
+#include "xfs_filestream.h"
+#include "xfs_quota.h"
+#include "xfs_sysfs.h"
#include <linux/namei.h>
#include <linux/init.h>
static kmem_zone_t *xfs_ioend_zone;
mempool_t *xfs_ioend_pool;
+static struct kset *xfs_kset; /* top-level xfs sysfs dir */
+#ifdef DEBUG
+static struct xfs_kobj xfs_dbg_kobj; /* global debug sysfs attrs */
+#endif
+
#define MNTOPT_LOGBUFS "logbufs" /* number of XFS log buffers */
#define MNTOPT_LOGBSIZE "logbsize" /* size of XFS log buffers */
#define MNTOPT_LOGDEV "logdev" /* log device */
#define MNTOPT_GQUOTANOENF "gqnoenforce"/* group quota limit enforcement */
#define MNTOPT_PQUOTANOENF "pqnoenforce"/* project quota limit enforcement */
#define MNTOPT_QUOTANOENF "qnoenforce" /* same as uqnoenforce */
-#define MNTOPT_DELAYLOG "delaylog" /* Delayed logging enabled */
-#define MNTOPT_NODELAYLOG "nodelaylog" /* Delayed logging disabled */
#define MNTOPT_DISCARD "discard" /* Discard unused blocks */
#define MNTOPT_NODISCARD "nodiscard" /* Do not discard unused blocks */
+#define MNTOPT_DAX "dax" /* Enable direct access to bdev pages */
+
/*
* Table driven mount option parser.
*
*/
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;
- } else if (!strcmp(this_char, MNTOPT_BIOSIZE)) {
- if (!value || !*value) {
- xfs_warn(mp, "%s option requires an argument",
- this_char);
- return EINVAL;
- }
- if (kstrtoint(value, 10, &iosize))
- return EINVAL;
- iosizelog = ffs(iosize) - 1;
- } else if (!strcmp(this_char, MNTOPT_ALLOCSIZE)) {
+ return -ENOMEM;
+ } else if (!strcmp(this_char, MNTOPT_ALLOCSIZE) ||
+ !strcmp(this_char, MNTOPT_BIOSIZE)) {
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)) {
} else if (!strcmp(this_char, MNTOPT_PQUOTA) ||
!strcmp(this_char, MNTOPT_PRJQUOTA)) {
mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE |
- XFS_OQUOTA_ENFD);
+ XFS_PQUOTA_ENFD);
} else if (!strcmp(this_char, MNTOPT_PQUOTANOENF)) {
mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE);
- mp->m_qflags &= ~XFS_OQUOTA_ENFD;
+ mp->m_qflags &= ~XFS_PQUOTA_ENFD;
} else if (!strcmp(this_char, MNTOPT_GQUOTA) ||
!strcmp(this_char, MNTOPT_GRPQUOTA)) {
mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE |
- XFS_OQUOTA_ENFD);
+ XFS_GQUOTA_ENFD);
} else if (!strcmp(this_char, MNTOPT_GQUOTANOENF)) {
mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE);
- mp->m_qflags &= ~XFS_OQUOTA_ENFD;
- } else if (!strcmp(this_char, MNTOPT_DELAYLOG)) {
- xfs_warn(mp,
- "delaylog is the default now, option is deprecated.");
- } else if (!strcmp(this_char, MNTOPT_NODELAYLOG)) {
- xfs_warn(mp,
- "nodelaylog support has been removed, option is deprecated.");
+ mp->m_qflags &= ~XFS_GQUOTA_ENFD;
} else if (!strcmp(this_char, MNTOPT_DISCARD)) {
mp->m_flags |= XFS_MOUNT_DISCARD;
} else if (!strcmp(this_char, MNTOPT_NODISCARD)) {
mp->m_flags &= ~XFS_MOUNT_DISCARD;
- } else if (!strcmp(this_char, "ihashsize")) {
- xfs_warn(mp,
- "ihashsize no longer used, option is deprecated.");
- } else if (!strcmp(this_char, "osyncisdsync")) {
- xfs_warn(mp,
- "osyncisdsync has no effect, option is deprecated.");
- } else if (!strcmp(this_char, "osyncisosync")) {
- xfs_warn(mp,
- "osyncisosync has no effect, option is deprecated.");
- } else if (!strcmp(this_char, "irixsgid")) {
- xfs_warn(mp,
- "irixsgid is now a sysctl(2) variable, option is deprecated.");
+#ifdef CONFIG_FS_DAX
+ } else if (!strcmp(this_char, MNTOPT_DAX)) {
+ mp->m_flags |= XFS_MOUNT_DAX;
+#endif
} 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 ((mp->m_qflags & (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE)) &&
- (mp->m_qflags & (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE))) {
- xfs_warn(mp, "cannot mount with both project and group quota");
- return EINVAL;
- }
-
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:
- if (!(mp->m_flags & XFS_MOUNT_NOALIGN)) {
+ if (dsunit && !(mp->m_flags & XFS_MOUNT_NOALIGN)) {
/*
* At this point the superblock has not been read
* in, therefore we do not know the block size.
* Before the mount call ends we will convert
* these to FSBs.
*/
- if (dsunit) {
- mp->m_dalign = dsunit;
- mp->m_flags |= XFS_MOUNT_RETERR;
- }
-
- if (dswidth)
- mp->m_swidth = dswidth;
+ mp->m_dalign = dsunit;
+ mp->m_swidth = dswidth;
}
if (mp->m_logbufs != -1 &&
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;
}
struct proc_xfs_info {
- int flag;
- char *str;
+ uint64_t flag;
+ char *str;
};
STATIC int
{ XFS_MOUNT_GRPID, "," MNTOPT_GRPID },
{ XFS_MOUNT_DISCARD, "," MNTOPT_DISCARD },
{ XFS_MOUNT_SMALL_INUMS, "," MNTOPT_32BITINODE },
+ { XFS_MOUNT_DAX, "," MNTOPT_DAX },
{ 0, NULL }
};
static struct proc_xfs_info xfs_info_unset[] = {
seq_printf(m, "," MNTOPT_LOGBSIZE "=%dk", mp->m_logbsize >> 10);
if (mp->m_logname)
- seq_printf(m, "," MNTOPT_LOGDEV "=%s", mp->m_logname);
+ seq_show_option(m, MNTOPT_LOGDEV, mp->m_logname);
if (mp->m_rtname)
- seq_printf(m, "," MNTOPT_RTDEV "=%s", mp->m_rtname);
+ seq_show_option(m, MNTOPT_RTDEV, mp->m_rtname);
if (mp->m_dalign > 0)
seq_printf(m, "," MNTOPT_SUNIT "=%d",
else if (mp->m_qflags & XFS_UQUOTA_ACCT)
seq_puts(m, "," MNTOPT_UQUOTANOENF);
- /* Either project or group quotas can be active, not both */
-
if (mp->m_qflags & XFS_PQUOTA_ACCT) {
- if (mp->m_qflags & XFS_OQUOTA_ENFD)
+ if (mp->m_qflags & XFS_PQUOTA_ENFD)
seq_puts(m, "," MNTOPT_PRJQUOTA);
else
seq_puts(m, "," MNTOPT_PQUOTANOENF);
- } else if (mp->m_qflags & XFS_GQUOTA_ACCT) {
- if (mp->m_qflags & XFS_OQUOTA_ENFD)
+ }
+ if (mp->m_qflags & XFS_GQUOTA_ACCT) {
+ if (mp->m_qflags & XFS_GQUOTA_ENFD)
seq_puts(m, "," MNTOPT_GRPQUOTA);
else
seq_puts(m, "," MNTOPT_GQUOTANOENF);
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);
mp);
if (IS_ERR(*bdevp)) {
error = PTR_ERR(*bdevp);
- xfs_warn(mp, "Invalid device [%s], error=%d\n", name, error);
+ xfs_warn(mp, "Invalid device [%s], error=%d", 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;
- mp->m_ddev_targp = xfs_alloc_buftarg(mp, ddev, 0, mp->m_fsname);
+ error = -ENOMEM;
+ mp->m_ddev_targp = xfs_alloc_buftarg(mp, ddev);
if (!mp->m_ddev_targp)
goto out_close_rtdev;
if (rtdev) {
- mp->m_rtdev_targp = xfs_alloc_buftarg(mp, rtdev, 1,
- mp->m_fsname);
+ mp->m_rtdev_targp = xfs_alloc_buftarg(mp, rtdev);
if (!mp->m_rtdev_targp)
goto out_free_ddev_targ;
}
if (logdev && logdev != ddev) {
- mp->m_logdev_targp = xfs_alloc_buftarg(mp, logdev, 1,
- mp->m_fsname);
+ mp->m_logdev_targp = xfs_alloc_buftarg(mp, logdev);
if (!mp->m_logdev_targp)
goto out_free_rtdev_targ;
} else {
out_free_ddev_targ:
xfs_free_buftarg(mp, mp->m_ddev_targp);
out_close_rtdev:
- if (rtdev)
- xfs_blkdev_put(rtdev);
+ xfs_blkdev_put(rtdev);
out_close_logdev:
if (logdev && logdev != ddev)
xfs_blkdev_put(logdev);
{
int error;
- error = xfs_setsize_buftarg(mp->m_ddev_targp, mp->m_sb.sb_blocksize,
- mp->m_sb.sb_sectsize);
+ error = xfs_setsize_buftarg(mp->m_ddev_targp, mp->m_sb.sb_sectsize);
if (error)
return error;
if (xfs_sb_version_hassector(&mp->m_sb))
log_sector_size = mp->m_sb.sb_logsectsize;
error = xfs_setsize_buftarg(mp->m_logdev_targp,
- mp->m_sb.sb_blocksize,
log_sector_size);
if (error)
return error;
}
if (mp->m_rtdev_targp) {
error = xfs_setsize_buftarg(mp->m_rtdev_targp,
- mp->m_sb.sb_blocksize,
mp->m_sb.sb_sectsize);
if (error)
return error;
xfs_init_mount_workqueues(
struct xfs_mount *mp)
{
+ mp->m_buf_workqueue = alloc_workqueue("xfs-buf/%s",
+ WQ_MEM_RECLAIM|WQ_FREEZABLE, 1, mp->m_fsname);
+ if (!mp->m_buf_workqueue)
+ goto out;
+
mp->m_data_workqueue = alloc_workqueue("xfs-data/%s",
- WQ_MEM_RECLAIM, 0, mp->m_fsname);
+ WQ_MEM_RECLAIM|WQ_FREEZABLE, 0, mp->m_fsname);
if (!mp->m_data_workqueue)
- goto out;
+ goto out_destroy_buf;
mp->m_unwritten_workqueue = alloc_workqueue("xfs-conv/%s",
- WQ_MEM_RECLAIM, 0, mp->m_fsname);
+ WQ_MEM_RECLAIM|WQ_FREEZABLE, 0, mp->m_fsname);
if (!mp->m_unwritten_workqueue)
goto out_destroy_data_iodone_queue;
mp->m_cil_workqueue = alloc_workqueue("xfs-cil/%s",
- WQ_MEM_RECLAIM, 0, mp->m_fsname);
+ WQ_MEM_RECLAIM|WQ_FREEZABLE, 0, mp->m_fsname);
if (!mp->m_cil_workqueue)
goto out_destroy_unwritten;
mp->m_reclaim_workqueue = alloc_workqueue("xfs-reclaim/%s",
- WQ_NON_REENTRANT, 0, mp->m_fsname);
+ WQ_MEM_RECLAIM|WQ_FREEZABLE, 0, mp->m_fsname);
if (!mp->m_reclaim_workqueue)
goto out_destroy_cil;
mp->m_log_workqueue = alloc_workqueue("xfs-log/%s",
- WQ_NON_REENTRANT, 0, mp->m_fsname);
+ WQ_MEM_RECLAIM|WQ_FREEZABLE|WQ_HIGHPRI, 0,
+ mp->m_fsname);
if (!mp->m_log_workqueue)
goto out_destroy_reclaim;
mp->m_eofblocks_workqueue = alloc_workqueue("xfs-eofblocks/%s",
- WQ_NON_REENTRANT, 0, mp->m_fsname);
+ WQ_MEM_RECLAIM|WQ_FREEZABLE, 0, mp->m_fsname);
if (!mp->m_eofblocks_workqueue)
goto out_destroy_log;
destroy_workqueue(mp->m_unwritten_workqueue);
out_destroy_data_iodone_queue:
destroy_workqueue(mp->m_data_workqueue);
+out_destroy_buf:
+ destroy_workqueue(mp->m_buf_workqueue);
out:
return -ENOMEM;
}
destroy_workqueue(mp->m_cil_workqueue);
destroy_workqueue(mp->m_data_workqueue);
destroy_workqueue(mp->m_unwritten_workqueue);
+ destroy_workqueue(mp->m_buf_workqueue);
}
/*
trace_xfs_destroy_inode(ip);
- XFS_STATS_INC(vn_reclaim);
-
- /* bad inode, get out here ASAP */
- if (is_bad_inode(inode))
- goto out_reclaim;
+ XFS_STATS_INC(ip->i_mount, vn_reclaim);
ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0);
* this more efficiently than we can here, so simply let background
* reclaim tear down all inodes.
*/
-out_reclaim:
xfs_inode_set_reclaim_tag(ip);
}
atomic_set(&ip->i_pincount, 0);
spin_lock_init(&ip->i_flags_lock);
+ mrlock_init(&ip->i_mmaplock, MRLOCK_ALLOW_EQUAL_PRI|MRLOCK_BARRIER,
+ "xfsino", ip->i_ino);
mrlock_init(&ip->i_lock, MRLOCK_ALLOW_EQUAL_PRI|MRLOCK_BARRIER,
"xfsino", ip->i_ino);
}
trace_xfs_evict_inode(ip);
- truncate_inode_pages(&inode->i_data, 0);
+ truncate_inode_pages_final(&inode->i_data);
clear_inode(inode);
- XFS_STATS_INC(vn_rele);
- XFS_STATS_INC(vn_remove);
- XFS_STATS_DEC(vn_active);
+ XFS_STATS_INC(ip->i_mount, vn_rele);
+ XFS_STATS_INC(ip->i_mount, vn_remove);
xfs_inactive(ip);
}
kfree(mp->m_logname);
}
-STATIC void
-xfs_fs_put_super(
- struct super_block *sb)
-{
- struct xfs_mount *mp = XFS_M(sb);
-
- xfs_filestream_unmount(mp);
- xfs_unmountfs(mp);
-
- xfs_freesb(mp);
- xfs_icsb_destroy_counters(mp);
- xfs_destroy_mount_workqueues(mp);
- xfs_close_devices(mp);
- xfs_free_fsname(mp);
- kfree(mp);
-}
-
STATIC int
xfs_fs_sync_fs(
struct super_block *sb,
{
struct xfs_mount *mp = XFS_M(dentry->d_sb);
xfs_sb_t *sbp = &mp->m_sb;
- struct xfs_inode *ip = XFS_I(dentry->d_inode);
+ struct xfs_inode *ip = XFS_I(d_inode(dentry));
__uint64_t fakeinos, id;
+ __uint64_t icount;
+ __uint64_t ifree;
+ __uint64_t fdblocks;
xfs_extlen_t lsize;
__int64_t ffree;
statp->f_fsid.val[0] = (u32)id;
statp->f_fsid.val[1] = (u32)(id >> 32);
- xfs_icsb_sync_counters(mp, XFS_ICSB_LAZY_COUNT);
+ icount = percpu_counter_sum(&mp->m_icount);
+ ifree = percpu_counter_sum(&mp->m_ifree);
+ fdblocks = percpu_counter_sum(&mp->m_fdblocks);
spin_lock(&mp->m_sb_lock);
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 - XFS_ALLOC_SET_ASIDE(mp);
+ spin_unlock(&mp->m_sb_lock);
+
+ statp->f_bfree = fdblocks - XFS_ALLOC_SET_ASIDE(mp);
+ statp->f_bavail = statp->f_bfree;
+
fakeinos = statp->f_bfree << sbp->sb_inopblog;
- statp->f_files =
- MIN(sbp->sb_icount + fakeinos, (__uint64_t)XFS_MAXINUMBER);
+ statp->f_files = MIN(icount + fakeinos, (__uint64_t)XFS_MAXINUMBER);
if (mp->m_maxicount)
statp->f_files = min_t(typeof(statp->f_files),
statp->f_files,
mp->m_maxicount);
+ /* If sb_icount overshot maxicount, report actual allocation */
+ statp->f_files = max_t(typeof(statp->f_files),
+ statp->f_files,
+ sbp->sb_icount);
+
/* make sure statp->f_ffree does not underflow */
- ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree);
+ ffree = statp->f_files - (icount - ifree);
statp->f_ffree = max_t(__int64_t, ffree, 0);
- spin_unlock(&mp->m_sb_lock);
if ((ip->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) &&
- ((mp->m_qflags & (XFS_PQUOTA_ACCT|XFS_OQUOTA_ENFD))) ==
- (XFS_PQUOTA_ACCT|XFS_OQUOTA_ENFD))
+ ((mp->m_qflags & (XFS_PQUOTA_ACCT|XFS_PQUOTA_ENFD))) ==
+ (XFS_PQUOTA_ACCT|XFS_PQUOTA_ENFD))
xfs_qm_statvfs(ip, statp);
return 0;
}
* Note: xfs_log_quiesce() stops background log work - the callers must ensure
* it is started again when appropriate.
*/
-void
+static void
xfs_quiesce_attr(
struct xfs_mount *mp)
{
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;
+ sync_filesystem(sb);
while ((p = strsep(&options, ",")) != NULL) {
int token;
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:
/*
*/
#if 0
xfs_info(mp,
- "mount option \"%s\" not supported for remount\n", p);
+ "mount option \"%s\" not supported for remount", p);
return -EINVAL;
#else
break;
/* ro -> rw */
if ((mp->m_flags & XFS_MOUNT_RDONLY) && !(*flags & MS_RDONLY)) {
+ if (mp->m_flags & XFS_MOUNT_NORECOVERY) {
+ xfs_warn(mp,
+ "ro->rw transition prohibited on norecovery mount");
+ return -EINVAL;
+ }
+
+ if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
+ xfs_sb_has_ro_compat_feature(sbp,
+ XFS_SB_FEAT_RO_COMPAT_UNKNOWN)) {
+ xfs_warn(mp,
+"ro->rw transition prohibited on unknown (0x%x) ro-compat filesystem",
+ (sbp->sb_features_ro_compat &
+ XFS_SB_FEAT_RO_COMPAT_UNKNOWN));
+ return -EINVAL;
+ }
+
mp->m_flags &= ~XFS_MOUNT_RDONLY;
/*
* If this is the first remount to writeable state we
* might have some superblock changes to update.
*/
- if (mp->m_update_flags) {
- error = xfs_mount_log_sb(mp, mp->m_update_flags);
+ if (mp->m_update_sb) {
+ error = xfs_sync_sb(mp, false);
if (error) {
xfs_warn(mp, "failed to write sb changes");
return error;
}
- mp->m_update_flags = 0;
+ mp->m_update_sb = false;
}
/*
/*
* Second stage of a freeze. The data is already frozen so we only
- * need to take care of the metadata. Once that's done write a dummy
- * record to dirty the log in case of a crash while frozen.
+ * need to take care of the metadata. Once that's done sync the superblock
+ * to the log to dirty it in case of a crash while frozen. This ensures that we
+ * will recover the unlinked inode lists on the next mount.
*/
STATIC int
xfs_fs_freeze(
xfs_save_resvblks(mp);
xfs_quiesce_attr(mp);
- return -xfs_fs_log_dummy(mp);
+ return xfs_sync_sb(mp, true);
}
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)) &&
+ (mp->m_qflags & (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE)) &&
+ !xfs_sb_version_has_pquotino(&mp->m_sb)) {
+ xfs_warn(mp,
+ "Super block does not support project and group quota together");
+ return -EINVAL;
}
return 0;
}
+static int
+xfs_init_percpu_counters(
+ struct xfs_mount *mp)
+{
+ int error;
+
+ error = percpu_counter_init(&mp->m_icount, 0, GFP_KERNEL);
+ if (error)
+ return -ENOMEM;
+
+ error = percpu_counter_init(&mp->m_ifree, 0, GFP_KERNEL);
+ if (error)
+ goto free_icount;
+
+ error = percpu_counter_init(&mp->m_fdblocks, 0, GFP_KERNEL);
+ if (error)
+ goto free_ifree;
+
+ return 0;
+
+free_ifree:
+ percpu_counter_destroy(&mp->m_ifree);
+free_icount:
+ percpu_counter_destroy(&mp->m_icount);
+ return -ENOMEM;
+}
+
+void
+xfs_reinit_percpu_counters(
+ struct xfs_mount *mp)
+{
+ percpu_counter_set(&mp->m_icount, mp->m_sb.sb_icount);
+ percpu_counter_set(&mp->m_ifree, mp->m_sb.sb_ifree);
+ percpu_counter_set(&mp->m_fdblocks, mp->m_sb.sb_fdblocks);
+}
+
+static void
+xfs_destroy_percpu_counters(
+ struct xfs_mount *mp)
+{
+ percpu_counter_destroy(&mp->m_icount);
+ percpu_counter_destroy(&mp->m_ifree);
+ percpu_counter_destroy(&mp->m_fdblocks);
+}
+
STATIC int
xfs_fs_fill_super(
struct super_block *sb,
{
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)
atomic_set(&mp->m_active_trans, 0);
INIT_DELAYED_WORK(&mp->m_reclaim_work, xfs_reclaim_worker);
INIT_DELAYED_WORK(&mp->m_eofblocks_work, xfs_eofblocks_worker);
+ mp->m_kobj.kobject.kset = xfs_kset;
mp->m_super = sb;
sb->s_fs_info = mp;
sb->s_export_op = &xfs_export_operations;
#ifdef CONFIG_XFS_QUOTA
sb->s_qcop = &xfs_quotactl_operations;
+ sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ;
#endif
sb->s_op = &xfs_super_operations;
if (error)
goto out_close_devices;
- error = xfs_icsb_init_counters(mp);
+ error = xfs_init_percpu_counters(mp);
if (error)
goto out_destroy_workqueues;
+ /* Allocate stats memory before we do operations that might use it */
+ mp->m_stats.xs_stats = alloc_percpu(struct xfsstats);
+ if (!mp->m_stats.xs_stats) {
+ error = -ENOMEM;
+ goto out_destroy_counters;
+ }
+
error = xfs_readsb(mp, flags);
if (error)
- goto out_destroy_counters;
+ goto out_free_stats;
error = xfs_finish_flags(mp);
if (error)
sb->s_time_gran = 1;
set_posix_acl_flag(sb);
+ /* version 5 superblocks support inode version counters. */
+ if (XFS_SB_VERSION_NUM(&mp->m_sb) == XFS_SB_VERSION_5)
+ sb->s_flags |= MS_I_VERSION;
+
+ if (mp->m_flags & XFS_MOUNT_DAX) {
+ xfs_warn(mp,
+ "DAX enabled. Warning: EXPERIMENTAL, use at your own risk");
+ if (sb->s_blocksize != PAGE_SIZE) {
+ xfs_alert(mp,
+ "Filesystem block size invalid for DAX Turning DAX off.");
+ mp->m_flags &= ~XFS_MOUNT_DAX;
+ } else if (!sb->s_bdev->bd_disk->fops->direct_access) {
+ xfs_alert(mp,
+ "Block device does not support DAX Turning DAX off.");
+ mp->m_flags &= ~XFS_MOUNT_DAX;
+ }
+ }
+
+ if (xfs_sb_version_hassparseinodes(&mp->m_sb))
+ xfs_alert(mp,
+ "EXPERIMENTAL sparse inode feature enabled. Use at your own risk!");
+
error = xfs_mountfs(mp);
if (error)
goto out_filestream_unmount;
root = igrab(VFS_I(mp->m_rootip));
if (!root) {
- error = ENOENT;
- goto out_unmount;
- }
- if (is_bad_inode(root)) {
- error = EINVAL;
+ error = -ENOENT;
goto out_unmount;
}
sb->s_root = d_make_root(root);
if (!sb->s_root) {
- error = ENOMEM;
+ error = -ENOMEM;
goto out_unmount;
}
xfs_filestream_unmount(mp);
out_free_sb:
xfs_freesb(mp);
+ out_free_stats:
+ free_percpu(mp->m_stats.xs_stats);
out_destroy_counters:
- xfs_icsb_destroy_counters(mp);
-out_destroy_workqueues:
+ xfs_destroy_percpu_counters(mp);
+ out_destroy_workqueues:
xfs_destroy_mount_workqueues(mp);
out_close_devices:
xfs_close_devices(mp);
xfs_free_fsname(mp);
kfree(mp);
out:
- return -error;
+ return error;
out_unmount:
xfs_filestream_unmount(mp);
goto out_free_sb;
}
+STATIC void
+xfs_fs_put_super(
+ struct super_block *sb)
+{
+ struct xfs_mount *mp = XFS_M(sb);
+
+ xfs_notice(mp, "Unmounting Filesystem");
+ xfs_filestream_unmount(mp);
+ xfs_unmountfs(mp);
+
+ xfs_freesb(mp);
+ free_percpu(mp->m_stats.xs_stats);
+ xfs_destroy_percpu_counters(mp);
+ xfs_destroy_mount_workqueues(mp);
+ xfs_close_devices(mp);
+ xfs_free_fsname(mp);
+ kfree(mp);
+}
+
STATIC struct dentry *
xfs_fs_mount(
struct file_system_type *fs_type,
return mount_bdev(fs_type, flags, dev_name, data, xfs_fs_fill_super);
}
-static int
+static long
xfs_fs_nr_cached_objects(
- struct super_block *sb)
+ struct super_block *sb,
+ struct shrink_control *sc)
{
return xfs_reclaim_inodes_count(XFS_M(sb));
}
-static void
+static long
xfs_fs_free_cached_objects(
struct super_block *sb,
- int nr_to_scan)
+ struct shrink_control *sc)
{
- xfs_reclaim_inodes_nr(XFS_M(sb), nr_to_scan);
+ return xfs_reclaim_inodes_nr(XFS_M(sb), sc->nr_to_scan);
}
static const struct super_operations xfs_super_operations = {
KM_ZONE_SPREAD, NULL);
if (!xfs_ili_zone)
goto out_destroy_inode_zone;
+ xfs_icreate_zone = kmem_zone_init(sizeof(struct xfs_icreate_item),
+ "xfs_icr");
+ if (!xfs_icreate_zone)
+ goto out_destroy_ili_zone;
return 0;
+ out_destroy_ili_zone:
+ kmem_zone_destroy(xfs_ili_zone);
out_destroy_inode_zone:
kmem_zone_destroy(xfs_inode_zone);
out_destroy_efi_zone:
* destroy caches.
*/
rcu_barrier();
+ kmem_zone_destroy(xfs_icreate_zone);
kmem_zone_destroy(xfs_ili_zone);
kmem_zone_destroy(xfs_inode_zone);
kmem_zone_destroy(xfs_efi_zone);
* AGs in all the filesystems mounted. Hence use the default large
* max_active value for this workqueue.
*/
- xfs_alloc_wq = alloc_workqueue("xfsalloc", WQ_MEM_RECLAIM, 0);
+ xfs_alloc_wq = alloc_workqueue("xfsalloc",
+ WQ_MEM_RECLAIM|WQ_FREEZABLE, 0);
if (!xfs_alloc_wq)
return -ENOMEM;
if (error)
goto out_destroy_wq;
- error = xfs_filestream_init();
- if (error)
- goto out_mru_cache_uninit;
-
error = xfs_buf_init();
if (error)
- goto out_filestream_uninit;
+ goto out_mru_cache_uninit;
error = xfs_init_procfs();
if (error)
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;
+ }
+
+ xfsstats.xs_kobj.kobject.kset = xfs_kset;
+
+ xfsstats.xs_stats = alloc_percpu(struct xfsstats);
+ if (!xfsstats.xs_stats) {
+ error = -ENOMEM;
+ goto out_kset_unregister;
+ }
+
+ error = xfs_sysfs_init(&xfsstats.xs_kobj, &xfs_stats_ktype, NULL,
+ "stats");
+ if (error)
+ goto out_free_stats;
+
+#ifdef DEBUG
+ xfs_dbg_kobj.kobject.kset = xfs_kset;
+ error = xfs_sysfs_init(&xfs_dbg_kobj, &xfs_dbg_ktype, NULL, "debug");
+ if (error)
+ goto out_remove_stats_kobj;
+#endif
+
error = xfs_qm_init();
if (error)
- goto out_sysctl_unregister;
+ goto out_remove_dbg_kobj;
error = register_filesystem(&xfs_fs_type);
if (error)
out_qm_exit:
xfs_qm_exit();
+ out_remove_dbg_kobj:
+#ifdef DEBUG
+ xfs_sysfs_del(&xfs_dbg_kobj);
+ out_remove_stats_kobj:
+#endif
+ xfs_sysfs_del(&xfsstats.xs_kobj);
+ out_free_stats:
+ free_percpu(xfsstats.xs_stats);
+ out_kset_unregister:
+ kset_unregister(xfs_kset);
out_sysctl_unregister:
xfs_sysctl_unregister();
out_cleanup_procfs:
xfs_cleanup_procfs();
out_buf_terminate:
xfs_buf_terminate();
- out_filestream_uninit:
- xfs_filestream_uninit();
out_mru_cache_uninit:
xfs_mru_cache_uninit();
out_destroy_wq:
{
xfs_qm_exit();
unregister_filesystem(&xfs_fs_type);
+#ifdef DEBUG
+ xfs_sysfs_del(&xfs_dbg_kobj);
+#endif
+ xfs_sysfs_del(&xfsstats.xs_kobj);
+ free_percpu(xfsstats.xs_stats);
+ kset_unregister(xfs_kset);
xfs_sysctl_unregister();
xfs_cleanup_procfs();
xfs_buf_terminate();
- xfs_filestream_uninit();
xfs_mru_cache_uninit();
xfs_destroy_workqueues();
xfs_destroy_zones();
+ xfs_uuid_table_free();
}
module_init(init_xfs_fs);
projects / firefly-linux-kernel-4.4.55.git / blobdiff