#include "transaction.h"
#include "btrfs_inode.h"
#include "print-tree.h"
+#include "hash.h"
+#include "props.h"
#include "xattr.h"
#include "volumes.h"
#include "export.h"
Opt_check_integrity, Opt_check_integrity_including_extent_data,
Opt_check_integrity_print_mask, Opt_fatal_errors, Opt_rescan_uuid_tree,
Opt_commit_interval, Opt_barrier, Opt_nodefrag, Opt_nodiscard,
- Opt_noenospc_debug, Opt_noflushoncommit, Opt_acl,
+ Opt_noenospc_debug, Opt_noflushoncommit, Opt_acl, Opt_datacow,
+ Opt_datasum, Opt_treelog, Opt_noinode_cache,
Opt_err,
};
{Opt_subvolid, "subvolid=%s"},
{Opt_device, "device=%s"},
{Opt_nodatasum, "nodatasum"},
+ {Opt_datasum, "datasum"},
{Opt_nodatacow, "nodatacow"},
+ {Opt_datacow, "datacow"},
{Opt_nobarrier, "nobarrier"},
{Opt_barrier, "barrier"},
{Opt_max_inline, "max_inline=%s"},
{Opt_acl, "acl"},
{Opt_noacl, "noacl"},
{Opt_notreelog, "notreelog"},
+ {Opt_treelog, "treelog"},
{Opt_flushoncommit, "flushoncommit"},
{Opt_noflushoncommit, "noflushoncommit"},
{Opt_ratio, "metadata_ratio=%d"},
{Opt_defrag, "autodefrag"},
{Opt_nodefrag, "noautodefrag"},
{Opt_inode_cache, "inode_cache"},
+ {Opt_noinode_cache, "noinode_cache"},
{Opt_no_space_cache, "nospace_cache"},
{Opt_recovery, "recovery"},
{Opt_skip_balance, "skip_balance"},
{Opt_err, NULL},
};
+#define btrfs_set_and_info(root, opt, fmt, args...) \
+{ \
+ if (!btrfs_test_opt(root, opt)) \
+ btrfs_info(root->fs_info, fmt, ##args); \
+ btrfs_set_opt(root->fs_info->mount_opt, opt); \
+}
+
+#define btrfs_clear_and_info(root, opt, fmt, args...) \
+{ \
+ if (btrfs_test_opt(root, opt)) \
+ btrfs_info(root->fs_info, fmt, ##args); \
+ btrfs_clear_opt(root->fs_info->mount_opt, opt); \
+}
+
/*
* Regular mount options parser. Everything that is needed only when
* reading in a new superblock is parsed here.
int ret = 0;
char *compress_type;
bool compress_force = false;
+ bool compress = false;
cache_gen = btrfs_super_cache_generation(root->fs_info->super_copy);
if (cache_gen)
*/
break;
case Opt_nodatasum:
- btrfs_info(root->fs_info, "setting nodatasum");
- btrfs_set_opt(info->mount_opt, NODATASUM);
+ btrfs_set_and_info(root, NODATASUM,
+ "setting nodatasum");
+ break;
+ case Opt_datasum:
+ if (btrfs_test_opt(root, NODATASUM)) {
+ if (btrfs_test_opt(root, NODATACOW))
+ btrfs_info(root->fs_info, "setting datasum, datacow enabled");
+ else
+ btrfs_info(root->fs_info, "setting datasum");
+ }
+ btrfs_clear_opt(info->mount_opt, NODATACOW);
+ btrfs_clear_opt(info->mount_opt, NODATASUM);
break;
case Opt_nodatacow:
- if (!btrfs_test_opt(root, COMPRESS) ||
- !btrfs_test_opt(root, FORCE_COMPRESS)) {
+ if (!btrfs_test_opt(root, NODATACOW)) {
+ if (!btrfs_test_opt(root, COMPRESS) ||
+ !btrfs_test_opt(root, FORCE_COMPRESS)) {
btrfs_info(root->fs_info,
- "setting nodatacow, compression disabled");
- } else {
- btrfs_info(root->fs_info, "setting nodatacow");
+ "setting nodatacow, compression disabled");
+ } else {
+ btrfs_info(root->fs_info, "setting nodatacow");
+ }
}
btrfs_clear_opt(info->mount_opt, COMPRESS);
btrfs_clear_opt(info->mount_opt, FORCE_COMPRESS);
btrfs_set_opt(info->mount_opt, NODATACOW);
btrfs_set_opt(info->mount_opt, NODATASUM);
break;
+ case Opt_datacow:
+ btrfs_clear_and_info(root, NODATACOW,
+ "setting datacow");
+ break;
case Opt_compress_force:
case Opt_compress_force_type:
compress_force = true;
/* Fallthrough */
case Opt_compress:
case Opt_compress_type:
+ compress = true;
if (token == Opt_compress ||
token == Opt_compress_force ||
strcmp(args[0].from, "zlib") == 0) {
}
if (compress_force) {
- btrfs_set_opt(info->mount_opt, FORCE_COMPRESS);
- btrfs_info(root->fs_info, "force %s compression",
- compress_type);
- } else if (btrfs_test_opt(root, COMPRESS)) {
- pr_info("btrfs: use %s compression\n",
- compress_type);
+ btrfs_set_and_info(root, FORCE_COMPRESS,
+ "force %s compression",
+ compress_type);
+ } else if (compress) {
+ if (!btrfs_test_opt(root, COMPRESS))
+ btrfs_info(root->fs_info,
+ "btrfs: use %s compression\n",
+ compress_type);
}
break;
case Opt_ssd:
- btrfs_info(root->fs_info, "use ssd allocation scheme");
- btrfs_set_opt(info->mount_opt, SSD);
+ btrfs_set_and_info(root, SSD,
+ "use ssd allocation scheme");
break;
case Opt_ssd_spread:
- btrfs_info(root->fs_info, "use spread ssd allocation scheme");
- btrfs_set_opt(info->mount_opt, SSD);
- btrfs_set_opt(info->mount_opt, SSD_SPREAD);
+ btrfs_set_and_info(root, SSD_SPREAD,
+ "use spread ssd allocation scheme");
break;
case Opt_nossd:
- btrfs_info(root->fs_info, "not using ssd allocation scheme");
- btrfs_set_opt(info->mount_opt, NOSSD);
+ btrfs_clear_and_info(root, NOSSD,
+ "not using ssd allocation scheme");
btrfs_clear_opt(info->mount_opt, SSD);
- btrfs_clear_opt(info->mount_opt, SSD_SPREAD);
break;
case Opt_barrier:
- if (btrfs_test_opt(root, NOBARRIER))
- btrfs_info(root->fs_info, "turning on barriers");
- btrfs_clear_opt(info->mount_opt, NOBARRIER);
+ btrfs_clear_and_info(root, NOBARRIER,
+ "turning on barriers");
break;
case Opt_nobarrier:
- btrfs_info(root->fs_info, "turning off barriers");
- btrfs_set_opt(info->mount_opt, NOBARRIER);
+ btrfs_set_and_info(root, NOBARRIER,
+ "turning off barriers");
break;
case Opt_thread_pool:
ret = match_int(&args[0], &intarg);
root->fs_info->sb->s_flags &= ~MS_POSIXACL;
break;
case Opt_notreelog:
- btrfs_info(root->fs_info, "disabling tree log");
- btrfs_set_opt(info->mount_opt, NOTREELOG);
+ btrfs_set_and_info(root, NOTREELOG,
+ "disabling tree log");
+ break;
+ case Opt_treelog:
+ btrfs_clear_and_info(root, NOTREELOG,
+ "enabling tree log");
break;
case Opt_flushoncommit:
- btrfs_info(root->fs_info, "turning on flush-on-commit");
- btrfs_set_opt(info->mount_opt, FLUSHONCOMMIT);
+ btrfs_set_and_info(root, FLUSHONCOMMIT,
+ "turning on flush-on-commit");
break;
case Opt_noflushoncommit:
- if (btrfs_test_opt(root, FLUSHONCOMMIT))
- btrfs_info(root->fs_info, "turning off flush-on-commit");
- btrfs_clear_opt(info->mount_opt, FLUSHONCOMMIT);
+ btrfs_clear_and_info(root, FLUSHONCOMMIT,
+ "turning off flush-on-commit");
break;
case Opt_ratio:
ret = match_int(&args[0], &intarg);
}
break;
case Opt_discard:
- btrfs_set_opt(info->mount_opt, DISCARD);
+ btrfs_set_and_info(root, DISCARD,
+ "turning on discard");
break;
case Opt_nodiscard:
- btrfs_clear_opt(info->mount_opt, DISCARD);
+ btrfs_clear_and_info(root, DISCARD,
+ "turning off discard");
break;
case Opt_space_cache:
- btrfs_set_opt(info->mount_opt, SPACE_CACHE);
+ btrfs_set_and_info(root, SPACE_CACHE,
+ "enabling disk space caching");
break;
case Opt_rescan_uuid_tree:
btrfs_set_opt(info->mount_opt, RESCAN_UUID_TREE);
break;
case Opt_no_space_cache:
- btrfs_info(root->fs_info, "disabling disk space caching");
- btrfs_clear_opt(info->mount_opt, SPACE_CACHE);
+ btrfs_clear_and_info(root, SPACE_CACHE,
+ "disabling disk space caching");
break;
case Opt_inode_cache:
- btrfs_info(root->fs_info, "enabling inode map caching");
- btrfs_set_opt(info->mount_opt, INODE_MAP_CACHE);
+ btrfs_set_and_info(root, CHANGE_INODE_CACHE,
+ "enabling inode map caching");
+ break;
+ case Opt_noinode_cache:
+ btrfs_clear_and_info(root, CHANGE_INODE_CACHE,
+ "disabling inode map caching");
break;
case Opt_clear_cache:
- btrfs_info(root->fs_info, "force clearing of disk cache");
- btrfs_set_opt(info->mount_opt, CLEAR_CACHE);
+ btrfs_set_and_info(root, CLEAR_CACHE,
+ "force clearing of disk cache");
break;
case Opt_user_subvol_rm_allowed:
btrfs_set_opt(info->mount_opt, USER_SUBVOL_RM_ALLOWED);
btrfs_clear_opt(info->mount_opt, ENOSPC_DEBUG);
break;
case Opt_defrag:
- btrfs_info(root->fs_info, "enabling auto defrag");
- btrfs_set_opt(info->mount_opt, AUTO_DEFRAG);
+ btrfs_set_and_info(root, AUTO_DEFRAG,
+ "enabling auto defrag");
break;
case Opt_nodefrag:
- if (btrfs_test_opt(root, AUTO_DEFRAG))
- btrfs_info(root->fs_info, "disabling auto defrag");
- btrfs_clear_opt(info->mount_opt, AUTO_DEFRAG);
+ btrfs_clear_and_info(root, AUTO_DEFRAG,
+ "disabling auto defrag");
break;
case Opt_recovery:
btrfs_info(root->fs_info, "enabling auto recovery");
{
int err;
- err = btrfs_init_sysfs();
+ err = btrfs_hash_init();
if (err)
return err;
+ btrfs_props_init();
+
+ err = btrfs_init_sysfs();
+ if (err)
+ goto free_hash;
+
btrfs_init_compress();
err = btrfs_init_cachep();
free_compress:
btrfs_exit_compress();
btrfs_exit_sysfs();
+free_hash:
+ btrfs_hash_exit();
return err;
}
btrfs_exit_sysfs();
btrfs_cleanup_fs_uuids();
btrfs_exit_compress();
+ btrfs_hash_exit();
}
-module_init(init_btrfs_fs)
+late_initcall(init_btrfs_fs);
module_exit(exit_btrfs_fs)
MODULE_LICENSE("GPL");
projects / ~andy / linux / blobdiff