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Diffstat (limited to 'fs/ocfs2/super.c')
-rw-r--r--fs/ocfs2/super.c104
1 files changed, 87 insertions, 17 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 4e009ad303a1..a8a0ca44f88f 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -178,6 +178,8 @@ enum {
Opt_noacl,
Opt_usrquota,
Opt_grpquota,
+ Opt_coherency_buffered,
+ Opt_coherency_full,
Opt_resv_level,
Opt_dir_resv_level,
Opt_err,
@@ -207,6 +209,8 @@ static const match_table_t tokens = {
{Opt_noacl, "noacl"},
{Opt_usrquota, "usrquota"},
{Opt_grpquota, "grpquota"},
+ {Opt_coherency_buffered, "coherency=buffered"},
+ {Opt_coherency_full, "coherency=full"},
{Opt_resv_level, "resv_level=%u"},
{Opt_dir_resv_level, "dir_resv_level=%u"},
{Opt_err, NULL}
@@ -516,11 +520,11 @@ static void ocfs2_release_system_inodes(struct ocfs2_super *osb)
mlog_entry_void();
- for (i = 0; i < NUM_SYSTEM_INODES; i++) {
- inode = osb->system_inodes[i];
+ for (i = 0; i < NUM_GLOBAL_SYSTEM_INODES; i++) {
+ inode = osb->global_system_inodes[i];
if (inode) {
iput(inode);
- osb->system_inodes[i] = NULL;
+ osb->global_system_inodes[i] = NULL;
}
}
@@ -536,6 +540,20 @@ static void ocfs2_release_system_inodes(struct ocfs2_super *osb)
osb->root_inode = NULL;
}
+ if (!osb->local_system_inodes)
+ goto out;
+
+ for (i = 0; i < NUM_LOCAL_SYSTEM_INODES * osb->max_slots; i++) {
+ if (osb->local_system_inodes[i]) {
+ iput(osb->local_system_inodes[i]);
+ osb->local_system_inodes[i] = NULL;
+ }
+ }
+
+ kfree(osb->local_system_inodes);
+ osb->local_system_inodes = NULL;
+
+out:
mlog_exit(0);
}
@@ -1452,6 +1470,12 @@ static int ocfs2_parse_options(struct super_block *sb,
case Opt_grpquota:
mopt->mount_opt |= OCFS2_MOUNT_GRPQUOTA;
break;
+ case Opt_coherency_buffered:
+ mopt->mount_opt |= OCFS2_MOUNT_COHERENCY_BUFFERED;
+ break;
+ case Opt_coherency_full:
+ mopt->mount_opt &= ~OCFS2_MOUNT_COHERENCY_BUFFERED;
+ break;
case Opt_acl:
mopt->mount_opt |= OCFS2_MOUNT_POSIX_ACL;
mopt->mount_opt &= ~OCFS2_MOUNT_NO_POSIX_ACL;
@@ -1563,6 +1587,11 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
if (opts & OCFS2_MOUNT_GRPQUOTA)
seq_printf(s, ",grpquota");
+ if (opts & OCFS2_MOUNT_COHERENCY_BUFFERED)
+ seq_printf(s, ",coherency=buffered");
+ else
+ seq_printf(s, ",coherency=full");
+
if (opts & OCFS2_MOUNT_NOUSERXATTR)
seq_printf(s, ",nouser_xattr");
else
@@ -2017,6 +2046,36 @@ static int ocfs2_setup_osb_uuid(struct ocfs2_super *osb, const unsigned char *uu
return 0;
}
+/* Make sure entire volume is addressable by our journal. Requires
+ osb_clusters_at_boot to be valid and for the journal to have been
+ initialized by ocfs2_journal_init(). */
+static int ocfs2_journal_addressable(struct ocfs2_super *osb)
+{
+ int status = 0;
+ u64 max_block =
+ ocfs2_clusters_to_blocks(osb->sb,
+ osb->osb_clusters_at_boot) - 1;
+
+ /* 32-bit block number is always OK. */
+ if (max_block <= (u32)~0ULL)
+ goto out;
+
+ /* Volume is "huge", so see if our journal is new enough to
+ support it. */
+ if (!(OCFS2_HAS_COMPAT_FEATURE(osb->sb,
+ OCFS2_FEATURE_COMPAT_JBD2_SB) &&
+ jbd2_journal_check_used_features(osb->journal->j_journal, 0, 0,
+ JBD2_FEATURE_INCOMPAT_64BIT))) {
+ mlog(ML_ERROR, "The journal cannot address the entire volume. "
+ "Enable the 'block64' journal option with tunefs.ocfs2");
+ status = -EFBIG;
+ goto out;
+ }
+
+ out:
+ return status;
+}
+
static int ocfs2_initialize_super(struct super_block *sb,
struct buffer_head *bh,
int sector_size,
@@ -2029,6 +2088,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
struct ocfs2_journal *journal;
__le32 uuid_net_key;
struct ocfs2_super *osb;
+ u64 total_blocks;
mlog_entry_void();
@@ -2087,6 +2147,15 @@ static int ocfs2_initialize_super(struct super_block *sb,
snprintf(osb->dev_str, sizeof(osb->dev_str), "%u,%u",
MAJOR(osb->sb->s_dev), MINOR(osb->sb->s_dev));
+ osb->max_slots = le16_to_cpu(di->id2.i_super.s_max_slots);
+ if (osb->max_slots > OCFS2_MAX_SLOTS || osb->max_slots == 0) {
+ mlog(ML_ERROR, "Invalid number of node slots (%u)\n",
+ osb->max_slots);
+ status = -EINVAL;
+ goto bail;
+ }
+ mlog(0, "max_slots for this device: %u\n", osb->max_slots);
+
ocfs2_orphan_scan_init(osb);
status = ocfs2_recovery_init(osb);
@@ -2125,15 +2194,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
goto bail;
}
- osb->max_slots = le16_to_cpu(di->id2.i_super.s_max_slots);
- if (osb->max_slots > OCFS2_MAX_SLOTS || osb->max_slots == 0) {
- mlog(ML_ERROR, "Invalid number of node slots (%u)\n",
- osb->max_slots);
- status = -EINVAL;
- goto bail;
- }
- mlog(0, "max_slots for this device: %u\n", osb->max_slots);
-
osb->slot_recovery_generations =
kcalloc(osb->max_slots, sizeof(*osb->slot_recovery_generations),
GFP_KERNEL);
@@ -2243,11 +2303,15 @@ static int ocfs2_initialize_super(struct super_block *sb,
goto bail;
}
- if (ocfs2_clusters_to_blocks(osb->sb, le32_to_cpu(di->i_clusters) - 1)
- > (u32)~0UL) {
- mlog(ML_ERROR, "Volume might try to write to blocks beyond "
- "what jbd can address in 32 bits.\n");
- status = -EINVAL;
+ total_blocks = ocfs2_clusters_to_blocks(osb->sb,
+ le32_to_cpu(di->i_clusters));
+
+ status = generic_check_addressable(osb->sb->s_blocksize_bits,
+ total_blocks);
+ if (status) {
+ mlog(ML_ERROR, "Volume too large "
+ "to mount safely on this system");
+ status = -EFBIG;
goto bail;
}
@@ -2409,6 +2473,12 @@ static int ocfs2_check_volume(struct ocfs2_super *osb)
goto finally;
}
+ /* Now that journal has been initialized, check to make sure
+ entire volume is addressable. */
+ status = ocfs2_journal_addressable(osb);
+ if (status)
+ goto finally;
+
/* If the journal was unmounted cleanly then we don't want to
* recover anything. Otherwise, journal_load will do that
* dirty work for us :) */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-18 06:11:02 +0000