#include "xfs_attr.h"
#include "xfs_buf_item.h"
#include "xfs_utils.h"
+#include "xfs_vnodeops.h"
+#include "xfs_vfsops.h"
#include "xfs_version.h"
#include <linux/namei.h>
inode->i_flags |= S_NOATIME;
else
inode->i_flags &= ~S_NOATIME;
- vp->v_flag &= ~VMODIFIED;
+ xfs_iflags_clear(ip, XFS_IMODIFIED);
}
void
xfs_initialize_vnode(
- bhv_desc_t *bdp,
+ struct xfs_mount *mp,
bhv_vnode_t *vp,
- bhv_desc_t *inode_bhv,
- int unlock)
+ struct xfs_inode *ip)
{
- xfs_inode_t *ip = XFS_BHVTOI(inode_bhv);
struct inode *inode = vn_to_inode(vp);
- if (!inode_bhv->bd_vobj) {
- vp->v_vfsp = bhvtovfs(bdp);
- bhv_desc_init(inode_bhv, ip, vp, &xfs_vnodeops);
- bhv_insert(VN_BHV_HEAD(vp), inode_bhv);
+ if (!ip->i_vnode) {
+ ip->i_vnode = vp;
+ inode->i_private = ip;
}
/*
* second time once the inode is properly set up, and then we can
* finish our work.
*/
- if (ip->i_d.di_mode != 0 && unlock && (inode->i_state & I_NEW)) {
- xfs_revalidate_inode(XFS_BHVTOM(bdp), vp, ip);
+ if (ip->i_d.di_mode != 0 && (inode->i_state & I_NEW)) {
+ xfs_revalidate_inode(mp, vp, ip);
xfs_set_inodeops(inode);
xfs_iflags_clear(ip, XFS_INEW);
STATIC void
xfs_fs_inode_init_once(
- void *vnode,
kmem_zone_t *zonep,
- unsigned long flags)
+ void *vnode)
{
inode_init_once(vn_to_inode((bhv_vnode_t *)vnode));
}
struct inode *inode,
int sync)
{
- bhv_vnode_t *vp = vn_from_inode(inode);
int error = 0, flags = FLUSH_INODE;
- if (vp) {
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
- if (sync)
- flags |= FLUSH_SYNC;
- error = bhv_vop_iflush(vp, flags);
- if (error == EAGAIN)
- error = sync? bhv_vop_iflush(vp, flags | FLUSH_LOG) : 0;
+ xfs_itrace_entry(XFS_I(inode));
+ if (sync) {
+ filemap_fdatawait(inode->i_mapping);
+ flags |= FLUSH_SYNC;
}
+ error = xfs_inode_flush(XFS_I(inode), flags);
+ /*
+ * if we failed to write out the inode then mark
+ * it dirty again so we'll try again later.
+ */
+ if (error)
+ mark_inode_dirty_sync(inode);
+
return -error;
}
xfs_fs_clear_inode(
struct inode *inode)
{
- bhv_vnode_t *vp = vn_from_inode(inode);
-
- vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
-
- XFS_STATS_INC(vn_rele);
- XFS_STATS_INC(vn_remove);
- XFS_STATS_INC(vn_reclaim);
- XFS_STATS_DEC(vn_active);
+ xfs_inode_t *ip = XFS_I(inode);
/*
- * This can happen because xfs_iget_core calls xfs_idestroy if we
+ * ip can be null when xfs_iget_core calls xfs_idestroy if we
* find an inode with di_mode == 0 but without IGET_CREATE set.
*/
- if (VNHEAD(vp))
- bhv_vop_inactive(vp, NULL);
-
- VN_LOCK(vp);
- vp->v_flag &= ~VMODIFIED;
- VN_UNLOCK(vp, 0);
-
- if (VNHEAD(vp))
- if (bhv_vop_reclaim(vp))
- panic("%s: cannot reclaim 0x%p\n", __FUNCTION__, vp);
-
- ASSERT(VNHEAD(vp) == NULL);
+ if (ip) {
+ xfs_itrace_entry(ip);
+ XFS_STATS_INC(vn_rele);
+ XFS_STATS_INC(vn_remove);
+ XFS_STATS_INC(vn_reclaim);
+ XFS_STATS_DEC(vn_active);
+
+ xfs_inactive(ip);
+ xfs_iflags_clear(ip, XFS_IMODIFIED);
+ if (xfs_reclaim(ip))
+ panic("%s: cannot reclaim 0x%p\n", __FUNCTION__, inode);
+ }
-#ifdef XFS_VNODE_TRACE
- ktrace_free(vp->v_trace);
-#endif
+ ASSERT(XFS_I(inode) == NULL);
}
/*
*/
STATIC void
xfs_syncd_queue_work(
- struct bhv_vfs *vfs,
+ struct xfs_mount *mp,
void *data,
- void (*syncer)(bhv_vfs_t *, void *))
+ void (*syncer)(struct xfs_mount *, void *))
{
struct bhv_vfs_sync_work *work;
INIT_LIST_HEAD(&work->w_list);
work->w_syncer = syncer;
work->w_data = data;
- work->w_vfs = vfs;
- spin_lock(&vfs->vfs_sync_lock);
- list_add_tail(&work->w_list, &vfs->vfs_sync_list);
- spin_unlock(&vfs->vfs_sync_lock);
- wake_up_process(vfs->vfs_sync_task);
+ work->w_mount = mp;
+ spin_lock(&mp->m_sync_lock);
+ list_add_tail(&work->w_list, &mp->m_sync_list);
+ spin_unlock(&mp->m_sync_lock);
+ wake_up_process(mp->m_sync_task);
}
/*
*/
STATIC void
xfs_flush_inode_work(
- bhv_vfs_t *vfs,
- void *inode)
+ struct xfs_mount *mp,
+ void *arg)
{
- filemap_flush(((struct inode *)inode)->i_mapping);
- iput((struct inode *)inode);
+ struct inode *inode = arg;
+ filemap_flush(inode->i_mapping);
+ iput(inode);
}
void
xfs_flush_inode(
xfs_inode_t *ip)
{
- struct inode *inode = vn_to_inode(XFS_ITOV(ip));
- struct bhv_vfs *vfs = XFS_MTOVFS(ip->i_mount);
+ struct inode *inode = ip->i_vnode;
igrab(inode);
- xfs_syncd_queue_work(vfs, inode, xfs_flush_inode_work);
+ xfs_syncd_queue_work(ip->i_mount, inode, xfs_flush_inode_work);
delay(msecs_to_jiffies(500));
}
*/
STATIC void
xfs_flush_device_work(
- bhv_vfs_t *vfs,
- void *inode)
+ struct xfs_mount *mp,
+ void *arg)
{
- sync_blockdev(vfs->vfs_super->s_bdev);
- iput((struct inode *)inode);
+ struct inode *inode = arg;
+ sync_blockdev(mp->m_super->s_bdev);
+ iput(inode);
}
void
xfs_inode_t *ip)
{
struct inode *inode = vn_to_inode(XFS_ITOV(ip));
- struct bhv_vfs *vfs = XFS_MTOVFS(ip->i_mount);
igrab(inode);
- xfs_syncd_queue_work(vfs, inode, xfs_flush_device_work);
+ xfs_syncd_queue_work(ip->i_mount, inode, xfs_flush_device_work);
delay(msecs_to_jiffies(500));
xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC);
}
STATIC void
-vfs_sync_worker(
- bhv_vfs_t *vfsp,
+xfs_sync_worker(
+ struct xfs_mount *mp,
void *unused)
{
int error;
- if (!(vfsp->vfs_flag & VFS_RDONLY))
- error = bhv_vfs_sync(vfsp, SYNC_FSDATA | SYNC_BDFLUSH | \
- SYNC_ATTR | SYNC_REFCACHE | SYNC_SUPER,
- NULL);
- vfsp->vfs_sync_seq++;
- wake_up(&vfsp->vfs_wait_single_sync_task);
+ if (!(mp->m_flags & XFS_MOUNT_RDONLY))
+ error = xfs_sync(mp, SYNC_FSDATA | SYNC_BDFLUSH | SYNC_ATTR |
+ SYNC_REFCACHE | SYNC_SUPER);
+ mp->m_sync_seq++;
+ wake_up(&mp->m_wait_single_sync_task);
}
STATIC int
xfssyncd(
void *arg)
{
+ struct xfs_mount *mp = arg;
long timeleft;
- bhv_vfs_t *vfsp = (bhv_vfs_t *) arg;
bhv_vfs_sync_work_t *work, *n;
LIST_HEAD (tmp);
+ set_freezable();
timeleft = xfs_syncd_centisecs * msecs_to_jiffies(10);
for (;;) {
timeleft = schedule_timeout_interruptible(timeleft);
/* swsusp */
try_to_freeze();
- if (kthread_should_stop() && list_empty(&vfsp->vfs_sync_list))
+ if (kthread_should_stop() && list_empty(&mp->m_sync_list))
break;
- spin_lock(&vfsp->vfs_sync_lock);
+ spin_lock(&mp->m_sync_lock);
/*
* We can get woken by laptop mode, to do a sync -
* that's the (only!) case where the list would be
* empty with time remaining.
*/
- if (!timeleft || list_empty(&vfsp->vfs_sync_list)) {
+ if (!timeleft || list_empty(&mp->m_sync_list)) {
if (!timeleft)
timeleft = xfs_syncd_centisecs *
msecs_to_jiffies(10);
- INIT_LIST_HEAD(&vfsp->vfs_sync_work.w_list);
- list_add_tail(&vfsp->vfs_sync_work.w_list,
- &vfsp->vfs_sync_list);
+ INIT_LIST_HEAD(&mp->m_sync_work.w_list);
+ list_add_tail(&mp->m_sync_work.w_list,
+ &mp->m_sync_list);
}
- list_for_each_entry_safe(work, n, &vfsp->vfs_sync_list, w_list)
+ list_for_each_entry_safe(work, n, &mp->m_sync_list, w_list)
list_move(&work->w_list, &tmp);
- spin_unlock(&vfsp->vfs_sync_lock);
+ spin_unlock(&mp->m_sync_lock);
list_for_each_entry_safe(work, n, &tmp, w_list) {
- (*work->w_syncer)(vfsp, work->w_data);
+ (*work->w_syncer)(mp, work->w_data);
list_del(&work->w_list);
- if (work == &vfsp->vfs_sync_work)
+ if (work == &mp->m_sync_work)
continue;
kmem_free(work, sizeof(struct bhv_vfs_sync_work));
}
return 0;
}
-STATIC int
-xfs_fs_start_syncd(
- bhv_vfs_t *vfsp)
-{
- vfsp->vfs_sync_work.w_syncer = vfs_sync_worker;
- vfsp->vfs_sync_work.w_vfs = vfsp;
- vfsp->vfs_sync_task = kthread_run(xfssyncd, vfsp, "xfssyncd");
- if (IS_ERR(vfsp->vfs_sync_task))
- return -PTR_ERR(vfsp->vfs_sync_task);
- return 0;
-}
-
-STATIC void
-xfs_fs_stop_syncd(
- bhv_vfs_t *vfsp)
-{
- kthread_stop(vfsp->vfs_sync_task);
-}
-
STATIC void
xfs_fs_put_super(
struct super_block *sb)
{
- bhv_vfs_t *vfsp = vfs_from_sb(sb);
+ struct xfs_mount *mp = XFS_M(sb);
int error;
- xfs_fs_stop_syncd(vfsp);
- bhv_vfs_sync(vfsp, SYNC_ATTR | SYNC_DELWRI, NULL);
- error = bhv_vfs_unmount(vfsp, 0, NULL);
- if (error) {
+ kthread_stop(mp->m_sync_task);
+
+ xfs_sync(mp, SYNC_ATTR | SYNC_DELWRI);
+ error = xfs_unmount(mp, 0, NULL);
+ if (error)
printk("XFS: unmount got error=%d\n", error);
- printk("%s: vfs=0x%p left dangling!\n", __FUNCTION__, vfsp);
- } else {
- vfs_deallocate(vfsp);
- }
}
STATIC void
struct super_block *sb)
{
if (!(sb->s_flags & MS_RDONLY))
- bhv_vfs_sync(vfs_from_sb(sb), SYNC_FSDATA, NULL);
+ xfs_sync(XFS_M(sb), SYNC_FSDATA);
sb->s_dirt = 0;
}
struct super_block *sb,
int wait)
{
- bhv_vfs_t *vfsp = vfs_from_sb(sb);
+ struct xfs_mount *mp = XFS_M(sb);
int error;
int flags;
- if (unlikely(sb->s_frozen == SB_FREEZE_WRITE)) {
+ /*
+ * Treat a sync operation like a freeze. This is to work
+ * around a race in sync_inodes() which works in two phases
+ * - an asynchronous flush, which can write out an inode
+ * without waiting for file size updates to complete, and a
+ * synchronous flush, which wont do anything because the
+ * async flush removed the inode's dirty flag. Also
+ * sync_inodes() will not see any files that just have
+ * outstanding transactions to be flushed because we don't
+ * dirty the Linux inode until after the transaction I/O
+ * completes.
+ */
+ if (wait || unlikely(sb->s_frozen == SB_FREEZE_WRITE)) {
/*
* First stage of freeze - no more writers will make progress
* now we are here, so we flush delwri and delalloc buffers
*/
flags = SYNC_DATA_QUIESCE;
} else
- flags = SYNC_FSDATA | (wait ? SYNC_WAIT : 0);
+ flags = SYNC_FSDATA;
- error = bhv_vfs_sync(vfsp, flags, NULL);
+ error = xfs_sync(mp, flags);
sb->s_dirt = 0;
if (unlikely(laptop_mode)) {
- int prev_sync_seq = vfsp->vfs_sync_seq;
+ int prev_sync_seq = mp->m_sync_seq;
/*
* The disk must be active because we're syncing.
* We schedule xfssyncd now (now that the disk is
* active) instead of later (when it might not be).
*/
- wake_up_process(vfsp->vfs_sync_task);
+ wake_up_process(mp->m_sync_task);
/*
* We have to wait for the sync iteration to complete.
* If we don't, the disk activity caused by the sync
* will come after the sync is completed, and that
* triggers another sync from laptop mode.
*/
- wait_event(vfsp->vfs_wait_single_sync_task,
- vfsp->vfs_sync_seq != prev_sync_seq);
+ wait_event(mp->m_wait_single_sync_task,
+ mp->m_sync_seq != prev_sync_seq);
}
return -error;
struct dentry *dentry,
struct kstatfs *statp)
{
- return -bhv_vfs_statvfs(vfs_from_sb(dentry->d_sb), statp,
- vn_from_inode(dentry->d_inode));
+ struct xfs_mount *mp = XFS_M(dentry->d_sb);
+ xfs_sb_t *sbp = &mp->m_sb;
+ __uint64_t fakeinos, id;
+ xfs_extlen_t lsize;
+
+ statp->f_type = XFS_SB_MAGIC;
+ statp->f_namelen = MAXNAMELEN - 1;
+
+ id = huge_encode_dev(mp->m_ddev_targp->bt_dev);
+ statp->f_fsid.val[0] = (u32)id;
+ statp->f_fsid.val[1] = (u32)(id >> 32);
+
+ xfs_icsb_sync_counters_flags(mp, XFS_ICSB_LAZY_COUNT);
+
+ 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);
+ fakeinos = statp->f_bfree << sbp->sb_inopblog;
+#if XFS_BIG_INUMS
+ fakeinos += mp->m_inoadd;
+#endif
+ statp->f_files =
+ MIN(sbp->sb_icount + fakeinos, (__uint64_t)XFS_MAXINUMBER);
+ if (mp->m_maxicount)
+#if XFS_BIG_INUMS
+ if (!mp->m_inoadd)
+#endif
+ statp->f_files = min_t(typeof(statp->f_files),
+ statp->f_files,
+ mp->m_maxicount);
+ statp->f_ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree);
+ spin_unlock(&mp->m_sb_lock);
+
+ XFS_QM_DQSTATVFS(XFS_I(dentry->d_inode), statp);
+ return 0;
}
STATIC int
int *flags,
char *options)
{
- bhv_vfs_t *vfsp = vfs_from_sb(sb);
+ struct xfs_mount *mp = XFS_M(sb);
struct xfs_mount_args *args = xfs_args_allocate(sb, 0);
int error;
- error = bhv_vfs_parseargs(vfsp, options, args, 1);
+ error = xfs_parseargs(mp, options, args, 1);
if (!error)
- error = bhv_vfs_mntupdate(vfsp, flags, args);
+ error = xfs_mntupdate(mp, flags, args);
kmem_free(args, sizeof(*args));
return -error;
}
xfs_fs_lockfs(
struct super_block *sb)
{
- bhv_vfs_freeze(vfs_from_sb(sb));
+ xfs_freeze(XFS_M(sb));
}
STATIC int
struct seq_file *m,
struct vfsmount *mnt)
{
- return -bhv_vfs_showargs(vfs_from_sb(mnt->mnt_sb), m);
+ return -xfs_showargs(XFS_M(mnt->mnt_sb), m);
}
STATIC int
struct super_block *sb,
int type)
{
- return -bhv_vfs_quotactl(vfs_from_sb(sb), Q_XQUOTASYNC, 0, NULL);
+ return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XQUOTASYNC, 0, NULL);
}
STATIC int
struct super_block *sb,
struct fs_quota_stat *fqs)
{
- return -bhv_vfs_quotactl(vfs_from_sb(sb), Q_XGETQSTAT, 0, (caddr_t)fqs);
+ return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XGETQSTAT, 0, (caddr_t)fqs);
}
STATIC int
unsigned int flags,
int op)
{
- return -bhv_vfs_quotactl(vfs_from_sb(sb), op, 0, (caddr_t)&flags);
+ return -XFS_QM_QUOTACTL(XFS_M(sb), op, 0, (caddr_t)&flags);
}
STATIC int
qid_t id,
struct fs_disk_quota *fdq)
{
- return -bhv_vfs_quotactl(vfs_from_sb(sb),
+ return -XFS_QM_QUOTACTL(XFS_M(sb),
(type == USRQUOTA) ? Q_XGETQUOTA :
((type == GRPQUOTA) ? Q_XGETGQUOTA :
Q_XGETPQUOTA), id, (caddr_t)fdq);
qid_t id,
struct fs_disk_quota *fdq)
{
- return -bhv_vfs_quotactl(vfs_from_sb(sb),
+ return -XFS_QM_QUOTACTL(XFS_M(sb),
(type == USRQUOTA) ? Q_XSETQLIM :
((type == GRPQUOTA) ? Q_XSETGQLIM :
Q_XSETPQLIM), id, (caddr_t)fdq);
void *data,
int silent)
{
- struct bhv_vnode *rootvp;
- struct bhv_vfs *vfsp = vfs_allocate(sb);
+ struct inode *rootvp;
+ struct xfs_mount *mp = NULL;
struct xfs_mount_args *args = xfs_args_allocate(sb, silent);
- struct kstatfs statvfs;
int error;
- bhv_insert_all_vfsops(vfsp);
+ mp = xfs_mount_init();
- error = bhv_vfs_parseargs(vfsp, (char *)data, args, 0);
- if (error) {
- bhv_remove_all_vfsops(vfsp, 1);
+ INIT_LIST_HEAD(&mp->m_sync_list);
+ spin_lock_init(&mp->m_sync_lock);
+ init_waitqueue_head(&mp->m_wait_single_sync_task);
+
+ mp->m_super = sb;
+ sb->s_fs_info = mp;
+
+ if (sb->s_flags & MS_RDONLY)
+ mp->m_flags |= XFS_MOUNT_RDONLY;
+
+ error = xfs_parseargs(mp, (char *)data, args, 0);
+ if (error)
goto fail_vfsop;
- }
sb_min_blocksize(sb, BBSIZE);
sb->s_export_op = &xfs_export_operations;
sb->s_qcop = &xfs_quotactl_operations;
sb->s_op = &xfs_super_operations;
- error = bhv_vfs_mount(vfsp, args, NULL);
- if (error) {
- bhv_remove_all_vfsops(vfsp, 1);
- goto fail_vfsop;
- }
-
- error = bhv_vfs_statvfs(vfsp, &statvfs, NULL);
+ error = xfs_mount(mp, args, NULL);
if (error)
- goto fail_unmount;
+ goto fail_vfsop;
sb->s_dirt = 1;
- sb->s_magic = statvfs.f_type;
- sb->s_blocksize = statvfs.f_bsize;
- sb->s_blocksize_bits = ffs(statvfs.f_bsize) - 1;
+ sb->s_magic = XFS_SB_MAGIC;
+ sb->s_blocksize = mp->m_sb.sb_blocksize;
+ sb->s_blocksize_bits = ffs(sb->s_blocksize) - 1;
sb->s_maxbytes = xfs_max_file_offset(sb->s_blocksize_bits);
sb->s_time_gran = 1;
set_posix_acl_flag(sb);
- error = bhv_vfs_root(vfsp, &rootvp);
+ error = xfs_root(mp, &rootvp);
if (error)
goto fail_unmount;
error = EINVAL;
goto fail_vnrele;
}
- if ((error = xfs_fs_start_syncd(vfsp)))
+
+ mp->m_sync_work.w_syncer = xfs_sync_worker;
+ mp->m_sync_work.w_mount = mp;
+ mp->m_sync_task = kthread_run(xfssyncd, mp, "xfssyncd");
+ if (IS_ERR(mp->m_sync_task)) {
+ error = -PTR_ERR(mp->m_sync_task);
goto fail_vnrele;
- vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address);
+ }
+
+ xfs_itrace_exit(XFS_I(sb->s_root->d_inode));
kmem_free(args, sizeof(*args));
return 0;
}
fail_unmount:
- bhv_vfs_unmount(vfsp, 0, NULL);
+ xfs_unmount(mp, 0, NULL);
fail_vfsop:
- vfs_deallocate(vfsp);
kmem_free(args, sizeof(*args));
return -error;
}
init_xfs_fs( void )
{
int error;
- struct sysinfo si;
static char message[] __initdata = KERN_INFO \
XFS_VERSION_STRING " with " XFS_BUILD_OPTIONS " enabled\n";
printk(message);
- si_meminfo(&si);
- xfs_physmem = si.totalram;
-
ktrace_init(64);
error = xfs_init_zones();