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path: root/fs/xfs/linux-2.6/xfs_super.c
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Diffstat (limited to 'fs/xfs/linux-2.6/xfs_super.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_super.c214
1 files changed, 101 insertions, 113 deletions
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index f22e426d9e4..1884300417e 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -59,8 +59,8 @@
#include <linux/writeback.h>
#include <linux/kthread.h>
-STATIC struct quotactl_ops linvfs_qops;
-STATIC struct super_operations linvfs_sops;
+STATIC struct quotactl_ops xfs_quotactl_operations;
+STATIC struct super_operations xfs_super_operations;
STATIC kmem_zone_t *xfs_vnode_zone;
STATIC kmem_zone_t *xfs_ioend_zone;
mempool_t *xfs_ioend_pool;
@@ -76,8 +76,6 @@ xfs_args_allocate(
strncpy(args->fsname, sb->s_id, MAXNAMELEN);
/* Copy the already-parsed mount(2) flags we're interested in */
- if (sb->s_flags & MS_NOATIME)
- args->flags |= XFSMNT_NOATIME;
if (sb->s_flags & MS_DIRSYNC)
args->flags |= XFSMNT_DIRSYNC;
if (sb->s_flags & MS_SYNCHRONOUS)
@@ -129,21 +127,21 @@ xfs_set_inodeops(
{
switch (inode->i_mode & S_IFMT) {
case S_IFREG:
- inode->i_op = &linvfs_file_inode_operations;
- inode->i_fop = &linvfs_file_operations;
- inode->i_mapping->a_ops = &linvfs_aops;
+ inode->i_op = &xfs_inode_operations;
+ inode->i_fop = &xfs_file_operations;
+ inode->i_mapping->a_ops = &xfs_address_space_operations;
break;
case S_IFDIR:
- inode->i_op = &linvfs_dir_inode_operations;
- inode->i_fop = &linvfs_dir_operations;
+ inode->i_op = &xfs_dir_inode_operations;
+ inode->i_fop = &xfs_dir_file_operations;
break;
case S_IFLNK:
- inode->i_op = &linvfs_symlink_inode_operations;
+ inode->i_op = &xfs_symlink_inode_operations;
if (inode->i_blocks)
- inode->i_mapping->a_ops = &linvfs_aops;
+ inode->i_mapping->a_ops = &xfs_address_space_operations;
break;
default:
- inode->i_op = &linvfs_file_inode_operations;
+ inode->i_op = &xfs_inode_operations;
init_special_inode(inode, inode->i_mode, inode->i_rdev);
break;
}
@@ -155,7 +153,7 @@ xfs_revalidate_inode(
vnode_t *vp,
xfs_inode_t *ip)
{
- struct inode *inode = LINVFS_GET_IP(vp);
+ struct inode *inode = vn_to_inode(vp);
inode->i_mode = ip->i_d.di_mode;
inode->i_nlink = ip->i_d.di_nlink;
@@ -212,7 +210,7 @@ xfs_initialize_vnode(
int unlock)
{
xfs_inode_t *ip = XFS_BHVTOI(inode_bhv);
- struct inode *inode = LINVFS_GET_IP(vp);
+ struct inode *inode = vn_to_inode(vp);
if (!inode_bhv->bd_vobj) {
vp->v_vfsp = bhvtovfs(bdp);
@@ -230,7 +228,7 @@ xfs_initialize_vnode(
if (ip->i_d.di_mode != 0 && unlock && (inode->i_state & I_NEW)) {
xfs_revalidate_inode(XFS_BHVTOM(bdp), vp, ip);
xfs_set_inodeops(inode);
-
+
ip->i_flags &= ~XFS_INEW;
barrier();
@@ -334,43 +332,42 @@ xfs_blkdev_issue_flush(
}
STATIC struct inode *
-linvfs_alloc_inode(
+xfs_fs_alloc_inode(
struct super_block *sb)
{
vnode_t *vp;
- vp = kmem_cache_alloc(xfs_vnode_zone, kmem_flags_convert(KM_SLEEP));
- if (!vp)
+ vp = kmem_zone_alloc(xfs_vnode_zone, KM_SLEEP);
+ if (unlikely(!vp))
return NULL;
- return LINVFS_GET_IP(vp);
+ return vn_to_inode(vp);
}
STATIC void
-linvfs_destroy_inode(
+xfs_fs_destroy_inode(
struct inode *inode)
{
- kmem_zone_free(xfs_vnode_zone, LINVFS_GET_VP(inode));
+ kmem_zone_free(xfs_vnode_zone, vn_from_inode(inode));
}
STATIC void
-linvfs_inode_init_once(
- void *data,
- kmem_cache_t *cachep,
+xfs_fs_inode_init_once(
+ void *vnode,
+ kmem_zone_t *zonep,
unsigned long flags)
{
- vnode_t *vp = (vnode_t *)data;
-
if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
- SLAB_CTOR_CONSTRUCTOR)
- inode_init_once(LINVFS_GET_IP(vp));
+ SLAB_CTOR_CONSTRUCTOR)
+ inode_init_once(vn_to_inode((vnode_t *)vnode));
}
STATIC int
-linvfs_init_zones(void)
+xfs_init_zones(void)
{
- xfs_vnode_zone = kmem_cache_create("xfs_vnode",
- sizeof(vnode_t), 0, SLAB_RECLAIM_ACCOUNT,
- linvfs_inode_init_once, NULL);
+ xfs_vnode_zone = kmem_zone_init_flags(sizeof(vnode_t), "xfs_vnode_t",
+ KM_ZONE_HWALIGN | KM_ZONE_RECLAIM |
+ KM_ZONE_SPREAD,
+ xfs_fs_inode_init_once);
if (!xfs_vnode_zone)
goto out;
@@ -378,15 +375,12 @@ linvfs_init_zones(void)
if (!xfs_ioend_zone)
goto out_destroy_vnode_zone;
- xfs_ioend_pool = mempool_create(4 * MAX_BUF_PER_PAGE,
- mempool_alloc_slab, mempool_free_slab,
- xfs_ioend_zone);
+ xfs_ioend_pool = mempool_create_slab_pool(4 * MAX_BUF_PER_PAGE,
+ xfs_ioend_zone);
if (!xfs_ioend_pool)
goto out_free_ioend_zone;
-
return 0;
-
out_free_ioend_zone:
kmem_zone_destroy(xfs_ioend_zone);
out_destroy_vnode_zone:
@@ -396,7 +390,7 @@ linvfs_init_zones(void)
}
STATIC void
-linvfs_destroy_zones(void)
+xfs_destroy_zones(void)
{
mempool_destroy(xfs_ioend_pool);
kmem_zone_destroy(xfs_vnode_zone);
@@ -407,14 +401,14 @@ linvfs_destroy_zones(void)
* Attempt to flush the inode, this will actually fail
* if the inode is pinned, but we dirty the inode again
* at the point when it is unpinned after a log write,
- * since this is when the inode itself becomes flushable.
+ * since this is when the inode itself becomes flushable.
*/
STATIC int
-linvfs_write_inode(
+xfs_fs_write_inode(
struct inode *inode,
int sync)
{
- vnode_t *vp = LINVFS_GET_VP(inode);
+ vnode_t *vp = vn_from_inode(inode);
int error = 0, flags = FLUSH_INODE;
if (vp) {
@@ -434,13 +428,13 @@ linvfs_write_inode(
}
STATIC void
-linvfs_clear_inode(
+xfs_fs_clear_inode(
struct inode *inode)
{
- vnode_t *vp = LINVFS_GET_VP(inode);
+ vnode_t *vp = vn_from_inode(inode);
int error, cache;
- vn_trace_entry(vp, "clear_inode", (inst_t *)__return_address);
+ vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
XFS_STATS_INC(vn_rele);
XFS_STATS_INC(vn_remove);
@@ -516,7 +510,7 @@ void
xfs_flush_inode(
xfs_inode_t *ip)
{
- struct inode *inode = LINVFS_GET_IP(XFS_ITOV(ip));
+ struct inode *inode = vn_to_inode(XFS_ITOV(ip));
struct vfs *vfs = XFS_MTOVFS(ip->i_mount);
igrab(inode);
@@ -541,7 +535,7 @@ void
xfs_flush_device(
xfs_inode_t *ip)
{
- struct inode *inode = LINVFS_GET_IP(XFS_ITOV(ip));
+ struct inode *inode = vn_to_inode(XFS_ITOV(ip));
struct vfs *vfs = XFS_MTOVFS(ip->i_mount);
igrab(inode);
@@ -550,7 +544,7 @@ xfs_flush_device(
xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC);
}
-#define SYNCD_FLAGS (SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR)
+#define SYNCD_FLAGS (SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR|SYNC_REFCACHE)
STATIC void
vfs_sync_worker(
vfs_t *vfsp,
@@ -613,7 +607,7 @@ xfssyncd(
}
STATIC int
-linvfs_start_syncd(
+xfs_fs_start_syncd(
vfs_t *vfsp)
{
vfsp->vfs_sync_work.w_syncer = vfs_sync_worker;
@@ -625,20 +619,20 @@ linvfs_start_syncd(
}
STATIC void
-linvfs_stop_syncd(
+xfs_fs_stop_syncd(
vfs_t *vfsp)
{
kthread_stop(vfsp->vfs_sync_task);
}
STATIC void
-linvfs_put_super(
+xfs_fs_put_super(
struct super_block *sb)
{
- vfs_t *vfsp = LINVFS_GET_VFS(sb);
+ vfs_t *vfsp = vfs_from_sb(sb);
int error;
- linvfs_stop_syncd(vfsp);
+ xfs_fs_stop_syncd(vfsp);
VFS_SYNC(vfsp, SYNC_ATTR|SYNC_DELWRI, NULL, error);
if (!error)
VFS_UNMOUNT(vfsp, 0, NULL, error);
@@ -652,10 +646,10 @@ linvfs_put_super(
}
STATIC void
-linvfs_write_super(
+xfs_fs_write_super(
struct super_block *sb)
{
- vfs_t *vfsp = LINVFS_GET_VFS(sb);
+ vfs_t *vfsp = vfs_from_sb(sb);
int error;
if (sb->s_flags & MS_RDONLY) {
@@ -668,11 +662,11 @@ linvfs_write_super(
}
STATIC int
-linvfs_sync_super(
+xfs_fs_sync_super(
struct super_block *sb,
int wait)
{
- vfs_t *vfsp = LINVFS_GET_VFS(sb);
+ vfs_t *vfsp = vfs_from_sb(sb);
int error;
int flags = SYNC_FSDATA;
@@ -707,11 +701,11 @@ linvfs_sync_super(
}
STATIC int
-linvfs_statfs(
+xfs_fs_statfs(
struct super_block *sb,
struct kstatfs *statp)
{
- vfs_t *vfsp = LINVFS_GET_VFS(sb);
+ vfs_t *vfsp = vfs_from_sb(sb);
int error;
VFS_STATVFS(vfsp, statp, NULL, error);
@@ -719,12 +713,12 @@ linvfs_statfs(
}
STATIC int
-linvfs_remount(
+xfs_fs_remount(
struct super_block *sb,
int *flags,
char *options)
{
- vfs_t *vfsp = LINVFS_GET_VFS(sb);
+ vfs_t *vfsp = vfs_from_sb(sb);
struct xfs_mount_args *args = xfs_args_allocate(sb);
int error;
@@ -736,18 +730,18 @@ linvfs_remount(
}
STATIC void
-linvfs_freeze_fs(
+xfs_fs_lockfs(
struct super_block *sb)
{
- VFS_FREEZE(LINVFS_GET_VFS(sb));
+ VFS_FREEZE(vfs_from_sb(sb));
}
STATIC int
-linvfs_show_options(
+xfs_fs_show_options(
struct seq_file *m,
struct vfsmount *mnt)
{
- struct vfs *vfsp = LINVFS_GET_VFS(mnt->mnt_sb);
+ struct vfs *vfsp = vfs_from_sb(mnt->mnt_sb);
int error;
VFS_SHOWARGS(vfsp, m, error);
@@ -755,11 +749,11 @@ linvfs_show_options(
}
STATIC int
-linvfs_quotasync(
+xfs_fs_quotasync(
struct super_block *sb,
int type)
{
- struct vfs *vfsp = LINVFS_GET_VFS(sb);
+ struct vfs *vfsp = vfs_from_sb(sb);
int error;
VFS_QUOTACTL(vfsp, Q_XQUOTASYNC, 0, (caddr_t)NULL, error);
@@ -767,11 +761,11 @@ linvfs_quotasync(
}
STATIC int
-linvfs_getxstate(
+xfs_fs_getxstate(
struct super_block *sb,
struct fs_quota_stat *fqs)
{
- struct vfs *vfsp = LINVFS_GET_VFS(sb);
+ struct vfs *vfsp = vfs_from_sb(sb);
int error;
VFS_QUOTACTL(vfsp, Q_XGETQSTAT, 0, (caddr_t)fqs, error);
@@ -779,12 +773,12 @@ linvfs_getxstate(
}
STATIC int
-linvfs_setxstate(
+xfs_fs_setxstate(
struct super_block *sb,
unsigned int flags,
int op)
{
- struct vfs *vfsp = LINVFS_GET_VFS(sb);
+ struct vfs *vfsp = vfs_from_sb(sb);
int error;
VFS_QUOTACTL(vfsp, op, 0, (caddr_t)&flags, error);
@@ -792,13 +786,13 @@ linvfs_setxstate(
}
STATIC int
-linvfs_getxquota(
+xfs_fs_getxquota(
struct super_block *sb,
int type,
qid_t id,
struct fs_disk_quota *fdq)
{
- struct vfs *vfsp = LINVFS_GET_VFS(sb);
+ struct vfs *vfsp = vfs_from_sb(sb);
int error, getmode;
getmode = (type == USRQUOTA) ? Q_XGETQUOTA :
@@ -808,13 +802,13 @@ linvfs_getxquota(
}
STATIC int
-linvfs_setxquota(
+xfs_fs_setxquota(
struct super_block *sb,
int type,
qid_t id,
struct fs_disk_quota *fdq)
{
- struct vfs *vfsp = LINVFS_GET_VFS(sb);
+ struct vfs *vfsp = vfs_from_sb(sb);
int error, setmode;
setmode = (type == USRQUOTA) ? Q_XSETQLIM :
@@ -824,21 +818,17 @@ linvfs_setxquota(
}
STATIC int
-linvfs_fill_super(
+xfs_fs_fill_super(
struct super_block *sb,
void *data,
int silent)
{
vnode_t *rootvp;
- struct vfs *vfsp = vfs_allocate();
+ struct vfs *vfsp = vfs_allocate(sb);
struct xfs_mount_args *args = xfs_args_allocate(sb);
struct kstatfs statvfs;
int error, error2;
- vfsp->vfs_super = sb;
- LINVFS_SET_VFS(sb, vfsp);
- if (sb->s_flags & MS_RDONLY)
- vfsp->vfs_flag |= VFS_RDONLY;
bhv_insert_all_vfsops(vfsp);
VFS_PARSEARGS(vfsp, (char *)data, args, 0, error);
@@ -849,10 +839,10 @@ linvfs_fill_super(
sb_min_blocksize(sb, BBSIZE);
#ifdef CONFIG_XFS_EXPORT
- sb->s_export_op = &linvfs_export_ops;
+ sb->s_export_op = &xfs_export_operations;
#endif
- sb->s_qcop = &linvfs_qops;
- sb->s_op = &linvfs_sops;
+ sb->s_qcop = &xfs_quotactl_operations;
+ sb->s_op = &xfs_super_operations;
VFS_MOUNT(vfsp, args, NULL, error);
if (error) {
@@ -876,7 +866,7 @@ linvfs_fill_super(
if (error)
goto fail_unmount;
- sb->s_root = d_alloc_root(LINVFS_GET_IP(rootvp));
+ sb->s_root = d_alloc_root(vn_to_inode(rootvp));
if (!sb->s_root) {
error = ENOMEM;
goto fail_vnrele;
@@ -885,7 +875,7 @@ linvfs_fill_super(
error = EINVAL;
goto fail_vnrele;
}
- if ((error = linvfs_start_syncd(vfsp)))
+ if ((error = xfs_fs_start_syncd(vfsp)))
goto fail_vnrele;
vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address);
@@ -910,41 +900,41 @@ fail_vfsop:
}
STATIC struct super_block *
-linvfs_get_sb(
+xfs_fs_get_sb(
struct file_system_type *fs_type,
int flags,
const char *dev_name,
void *data)
{
- return get_sb_bdev(fs_type, flags, dev_name, data, linvfs_fill_super);
-}
-
-STATIC struct super_operations linvfs_sops = {
- .alloc_inode = linvfs_alloc_inode,
- .destroy_inode = linvfs_destroy_inode,
- .write_inode = linvfs_write_inode,
- .clear_inode = linvfs_clear_inode,
- .put_super = linvfs_put_super,
- .write_super = linvfs_write_super,
- .sync_fs = linvfs_sync_super,
- .write_super_lockfs = linvfs_freeze_fs,
- .statfs = linvfs_statfs,
- .remount_fs = linvfs_remount,
- .show_options = linvfs_show_options,
+ return get_sb_bdev(fs_type, flags, dev_name, data, xfs_fs_fill_super);
+}
+
+STATIC struct super_operations xfs_super_operations = {
+ .alloc_inode = xfs_fs_alloc_inode,
+ .destroy_inode = xfs_fs_destroy_inode,
+ .write_inode = xfs_fs_write_inode,
+ .clear_inode = xfs_fs_clear_inode,
+ .put_super = xfs_fs_put_super,
+ .write_super = xfs_fs_write_super,
+ .sync_fs = xfs_fs_sync_super,
+ .write_super_lockfs = xfs_fs_lockfs,
+ .statfs = xfs_fs_statfs,
+ .remount_fs = xfs_fs_remount,
+ .show_options = xfs_fs_show_options,
};
-STATIC struct quotactl_ops linvfs_qops = {
- .quota_sync = linvfs_quotasync,
- .get_xstate = linvfs_getxstate,
- .set_xstate = linvfs_setxstate,
- .get_xquota = linvfs_getxquota,
- .set_xquota = linvfs_setxquota,
+STATIC struct quotactl_ops xfs_quotactl_operations = {
+ .quota_sync = xfs_fs_quotasync,
+ .get_xstate = xfs_fs_getxstate,
+ .set_xstate = xfs_fs_setxstate,
+ .get_xquota = xfs_fs_getxquota,
+ .set_xquota = xfs_fs_setxquota,
};
STATIC struct file_system_type xfs_fs_type = {
.owner = THIS_MODULE,
.name = "xfs",
- .get_sb = linvfs_get_sb,
+ .get_sb = xfs_fs_get_sb,
.kill_sb = kill_block_super,
.fs_flags = FS_REQUIRES_DEV,
};
@@ -965,7 +955,7 @@ init_xfs_fs( void )
ktrace_init(64);
- error = linvfs_init_zones();
+ error = xfs_init_zones();
if (error < 0)
goto undo_zones;
@@ -981,14 +971,13 @@ init_xfs_fs( void )
error = register_filesystem(&xfs_fs_type);
if (error)
goto undo_register;
- XFS_DM_INIT(&xfs_fs_type);
return 0;
undo_register:
xfs_buf_terminate();
undo_buffers:
- linvfs_destroy_zones();
+ xfs_destroy_zones();
undo_zones:
return error;
@@ -998,11 +987,10 @@ STATIC void __exit
exit_xfs_fs( void )
{
vfs_exitquota();
- XFS_DM_EXIT(&xfs_fs_type);
unregister_filesystem(&xfs_fs_type);
xfs_cleanup();
xfs_buf_terminate();
- linvfs_destroy_zones();
+ xfs_destroy_zones();
ktrace_uninit();
}