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authorDavid S. Miller <davem@davemloft.net>2011-06-21 01:29:08 -0400
committerDavid S. Miller <davem@davemloft.net>2011-06-21 01:29:08 -0400
commit9f6ec8d697c08963d83880ccd35c13c5ace716ea (patch)
treead8d93cf6fcdd09b86ade09f5fcbbc66cdb1cca2 /fs/btrfs/super.c
parent4aa3a715551c93eda32d79bd52042ce500bd5383 (diff)
parent56299378726d5f2ba8d3c8cbbd13cb280ba45e4f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/iwlwifi/iwl-agn-rxon.c drivers/net/wireless/rtlwifi/pci.c net/netfilter/ipvs/ip_vs_core.c
Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 9b2e7e5bc3ef..0bb4ebbb71b7 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -161,7 +161,8 @@ enum {
161 Opt_compress_type, Opt_compress_force, Opt_compress_force_type, 161 Opt_compress_type, Opt_compress_force, Opt_compress_force_type,
162 Opt_notreelog, Opt_ratio, Opt_flushoncommit, Opt_discard, 162 Opt_notreelog, Opt_ratio, Opt_flushoncommit, Opt_discard,
163 Opt_space_cache, Opt_clear_cache, Opt_user_subvol_rm_allowed, 163 Opt_space_cache, Opt_clear_cache, Opt_user_subvol_rm_allowed,
164 Opt_enospc_debug, Opt_subvolrootid, Opt_defrag, Opt_err, 164 Opt_enospc_debug, Opt_subvolrootid, Opt_defrag,
165 Opt_inode_cache, Opt_err,
165}; 166};
166 167
167static match_table_t tokens = { 168static match_table_t tokens = {
@@ -193,6 +194,7 @@ static match_table_t tokens = {
193 {Opt_enospc_debug, "enospc_debug"}, 194 {Opt_enospc_debug, "enospc_debug"},
194 {Opt_subvolrootid, "subvolrootid=%d"}, 195 {Opt_subvolrootid, "subvolrootid=%d"},
195 {Opt_defrag, "autodefrag"}, 196 {Opt_defrag, "autodefrag"},
197 {Opt_inode_cache, "inode_cache"},
196 {Opt_err, NULL}, 198 {Opt_err, NULL},
197}; 199};
198 200
@@ -361,6 +363,10 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
361 printk(KERN_INFO "btrfs: enabling disk space caching\n"); 363 printk(KERN_INFO "btrfs: enabling disk space caching\n");
362 btrfs_set_opt(info->mount_opt, SPACE_CACHE); 364 btrfs_set_opt(info->mount_opt, SPACE_CACHE);
363 break; 365 break;
366 case Opt_inode_cache:
367 printk(KERN_INFO "btrfs: enabling inode map caching\n");
368 btrfs_set_opt(info->mount_opt, INODE_MAP_CACHE);
369 break;
364 case Opt_clear_cache: 370 case Opt_clear_cache:
365 printk(KERN_INFO "btrfs: force clearing of disk cache\n"); 371 printk(KERN_INFO "btrfs: force clearing of disk cache\n");
366 btrfs_set_opt(info->mount_opt, CLEAR_CACHE); 372 btrfs_set_opt(info->mount_opt, CLEAR_CACHE);
@@ -819,7 +825,7 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
819 } else { 825 } else {
820 char b[BDEVNAME_SIZE]; 826 char b[BDEVNAME_SIZE];
821 827
822 s->s_flags = flags; 828 s->s_flags = flags | MS_NOSEC;
823 strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id)); 829 strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id));
824 error = btrfs_fill_super(s, fs_devices, data, 830 error = btrfs_fill_super(s, fs_devices, data,
825 flags & MS_SILENT ? 1 : 0); 831 flags & MS_SILENT ? 1 : 0);