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-rw-r--r--fs/ext4/ext4_jbd2.c2
-rw-r--r--fs/ext4/file.c2
-rw-r--r--fs/ext4/fsync.c2
-rw-r--r--fs/ext4/ialloc.c2
-rw-r--r--fs/ext4/mmp.c2
-rw-r--r--fs/ext4/super.c53
6 files changed, 30 insertions, 33 deletions
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index dd106b1..5b342ac 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -47,7 +47,7 @@ static int ext4_journal_check_start(struct super_block *sb)
if (unlikely(ext4_forced_shutdown(EXT4_SB(sb))))
return -EIO;
- if (sb->s_flags & MS_RDONLY)
+ if (sb_rdonly(sb))
return -EROFS;
WARN_ON(sb->s_writers.frozen == SB_FREEZE_COMPLETE);
journal = EXT4_SB(sb)->s_journal;
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 58294c9..b33ec8a 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -388,7 +388,7 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
return -EIO;
if (unlikely(!(sbi->s_mount_flags & EXT4_MF_MNTDIR_SAMPLED) &&
- !(sb->s_flags & MS_RDONLY))) {
+ !sb_rdonly(sb))) {
sbi->s_mount_flags |= EXT4_MF_MNTDIR_SAMPLED;
/*
* Sample where the filesystem has been mounted and
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index aae2c39..f923058 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -107,7 +107,7 @@ int ext4_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
trace_ext4_sync_file_enter(file, datasync);
- if (inode->i_sb->s_flags & MS_RDONLY) {
+ if (sb_rdonly(inode->i_sb)) {
/* Make sure that we read updated s_mount_flags value */
smp_rmb();
if (EXT4_SB(inode->i_sb)->s_mount_flags & EXT4_MF_FS_ABORTED)
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 507bfb3..360e87d 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -1355,7 +1355,7 @@ int ext4_init_inode_table(struct super_block *sb, ext4_group_t group,
int num, ret = 0, used_blks = 0;
/* This should not happen, but just to be sure check this */
- if (sb->s_flags & MS_RDONLY) {
+ if (sb_rdonly(sb)) {
ret = 1;
goto out;
}
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index eb98356..899b076 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -185,7 +185,7 @@ static int kmmpd(void *data)
goto exit_thread;
}
- if (sb->s_flags & MS_RDONLY) {
+ if (sb_rdonly(sb)) {
ext4_warning(sb, "kmmpd being stopped since filesystem "
"has been remounted as readonly.");
goto exit_thread;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 0886fe8..d9701c8 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -405,7 +405,7 @@ static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)
static void ext4_handle_error(struct super_block *sb)
{
- if (sb->s_flags & MS_RDONLY)
+ if (sb_rdonly(sb))
return;
if (!test_opt(sb, ERRORS_CONT)) {
@@ -587,8 +587,7 @@ void __ext4_std_error(struct super_block *sb, const char *function,
/* Special case: if the error is EROFS, and we're not already
* inside a transaction, then there's really no point in logging
* an error. */
- if (errno == -EROFS && journal_current_handle() == NULL &&
- (sb->s_flags & MS_RDONLY))
+ if (errno == -EROFS && journal_current_handle() == NULL && sb_rdonly(sb))
return;
if (ext4_error_ratelimit(sb)) {
@@ -628,7 +627,7 @@ void __ext4_abort(struct super_block *sb, const char *function,
sb->s_id, function, line, &vaf);
va_end(args);
- if ((sb->s_flags & MS_RDONLY) == 0) {
+ if (sb_rdonly(sb) == 0) {
ext4_msg(sb, KERN_CRIT, "Remounting filesystem read-only");
EXT4_SB(sb)->s_mount_flags |= EXT4_MF_FS_ABORTED;
/*
@@ -889,11 +888,11 @@ static void ext4_put_super(struct super_block *sb)
ext4_mb_release(sb);
ext4_ext_release(sb);
- if (!(sb->s_flags & MS_RDONLY) && !aborted) {
+ if (!sb_rdonly(sb) && !aborted) {
ext4_clear_feature_journal_needs_recovery(sb);
es->s_state = cpu_to_le16(sbi->s_mount_state);
}
- if (!(sb->s_flags & MS_RDONLY))
+ if (!sb_rdonly(sb))
ext4_commit_super(sb, 1);
for (i = 0; i < sbi->s_gdb_count; i++)
@@ -2101,7 +2100,7 @@ int ext4_seq_options_show(struct seq_file *seq, void *offset)
struct super_block *sb = seq->private;
int rc;
- seq_puts(seq, (sb->s_flags & MS_RDONLY) ? "ro" : "rw");
+ seq_puts(seq, sb_rdonly(sb) ? "ro" : "rw");
rc = _ext4_show_options(seq, sb, 1);
seq_puts(seq, "\n");
return rc;
@@ -2369,7 +2368,7 @@ static int ext4_check_descriptors(struct super_block *sb,
"Checksum for group %u failed (%u!=%u)",
i, le16_to_cpu(ext4_group_desc_csum(sb, i,
gdp)), le16_to_cpu(gdp->bg_checksum));
- if (!(sb->s_flags & MS_RDONLY)) {
+ if (!sb_rdonly(sb)) {
ext4_unlock_group(sb, i);
return 0;
}
@@ -3116,8 +3115,7 @@ int ext4_register_li_request(struct super_block *sb,
goto out;
}
- if (first_not_zeroed == ngroups ||
- (sb->s_flags & MS_RDONLY) ||
+ if (first_not_zeroed == ngroups || sb_rdonly(sb) ||
!test_opt(sb, INIT_INODE_TABLE))
goto out;
@@ -3661,7 +3659,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
* previously didn't change the revision level when setting the flags,
* so there is a chance incompat flags are set on a rev 0 filesystem.
*/
- if (!ext4_feature_set_ok(sb, (sb->s_flags & MS_RDONLY)))
+ if (!ext4_feature_set_ok(sb, (sb_rdonly(sb))))
goto failed_mount;
blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
@@ -3790,12 +3788,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_hash_unsigned = 3;
else if ((i & EXT2_FLAGS_SIGNED_HASH) == 0) {
#ifdef __CHAR_UNSIGNED__
- if (!(sb->s_flags & MS_RDONLY))
+ if (!sb_rdonly(sb))
es->s_flags |=
cpu_to_le32(EXT2_FLAGS_UNSIGNED_HASH);
sbi->s_hash_unsigned = 3;
#else
- if (!(sb->s_flags & MS_RDONLY))
+ if (!sb_rdonly(sb))
es->s_flags |=
cpu_to_le32(EXT2_FLAGS_SIGNED_HASH);
#endif
@@ -3995,7 +3993,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
needs_recovery = (es->s_last_orphan != 0 ||
ext4_has_feature_journal_needs_recovery(sb));
- if (ext4_has_feature_mmp(sb) && !(sb->s_flags & MS_RDONLY))
+ if (ext4_has_feature_mmp(sb) && !sb_rdonly(sb))
if (ext4_multi_mount_protect(sb, le64_to_cpu(es->s_mmp_block)))
goto failed_mount3a;
@@ -4007,7 +4005,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
err = ext4_load_journal(sb, es, journal_devnum);
if (err)
goto failed_mount3a;
- } else if (test_opt(sb, NOLOAD) && !(sb->s_flags & MS_RDONLY) &&
+ } else if (test_opt(sb, NOLOAD) && !sb_rdonly(sb) &&
ext4_has_feature_journal_needs_recovery(sb)) {
ext4_msg(sb, KERN_ERR, "required journal recovery "
"suppressed and not mounted read-only");
@@ -4121,7 +4119,7 @@ no_journal:
goto failed_mount_wq;
}
- if (DUMMY_ENCRYPTION_ENABLED(sbi) && !(sb->s_flags & MS_RDONLY) &&
+ if (DUMMY_ENCRYPTION_ENABLED(sbi) && !sb_rdonly(sb) &&
!ext4_has_feature_encrypt(sb)) {
ext4_set_feature_encrypt(sb);
ext4_commit_super(sb, 1);
@@ -4175,7 +4173,7 @@ no_journal:
goto failed_mount4;
}
- if (ext4_setup_super(sb, es, sb->s_flags & MS_RDONLY))
+ if (ext4_setup_super(sb, es, sb_rdonly(sb)))
sb->s_flags |= MS_RDONLY;
/* determine the minimum size of new large inodes, if present */
@@ -4263,7 +4261,7 @@ no_journal:
#ifdef CONFIG_QUOTA
/* Enable quota usage during mount. */
- if (ext4_has_feature_quota(sb) && !(sb->s_flags & MS_RDONLY)) {
+ if (ext4_has_feature_quota(sb) && !sb_rdonly(sb)) {
err = ext4_enable_quotas(sb);
if (err)
goto failed_mount8;
@@ -4586,7 +4584,7 @@ static int ext4_load_journal(struct super_block *sb,
* can get read-write access to the device.
*/
if (ext4_has_feature_journal_needs_recovery(sb)) {
- if (sb->s_flags & MS_RDONLY) {
+ if (sb_rdonly(sb)) {
ext4_msg(sb, KERN_INFO, "INFO: recovery "
"required on readonly filesystem");
if (really_read_only) {
@@ -4741,8 +4739,7 @@ static void ext4_mark_recovery_complete(struct super_block *sb,
if (jbd2_journal_flush(journal) < 0)
goto out;
- if (ext4_has_feature_journal_needs_recovery(sb) &&
- sb->s_flags & MS_RDONLY) {
+ if (ext4_has_feature_journal_needs_recovery(sb) && sb_rdonly(sb)) {
ext4_clear_feature_journal_needs_recovery(sb);
ext4_commit_super(sb, 1);
}
@@ -4798,7 +4795,7 @@ int ext4_force_commit(struct super_block *sb)
{
journal_t *journal;
- if (sb->s_flags & MS_RDONLY)
+ if (sb_rdonly(sb))
return 0;
journal = EXT4_SB(sb)->s_journal;
@@ -4863,7 +4860,7 @@ static int ext4_freeze(struct super_block *sb)
int error = 0;
journal_t *journal;
- if (sb->s_flags & MS_RDONLY)
+ if (sb_rdonly(sb))
return 0;
journal = EXT4_SB(sb)->s_journal;
@@ -4898,7 +4895,7 @@ out:
*/
static int ext4_unfreeze(struct super_block *sb)
{
- if ((sb->s_flags & MS_RDONLY) || ext4_forced_shutdown(EXT4_SB(sb)))
+ if (sb_rdonly(sb) || ext4_forced_shutdown(EXT4_SB(sb)))
return 0;
if (EXT4_SB(sb)->s_journal) {
@@ -5036,7 +5033,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
if (*flags & MS_LAZYTIME)
sb->s_flags |= MS_LAZYTIME;
- if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) {
+ if ((bool)(*flags & MS_RDONLY) != sb_rdonly(sb)) {
if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED) {
err = -EROFS;
goto restore_opts;
@@ -5131,7 +5128,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
* Reinitialize lazy itable initialization thread based on
* current settings
*/
- if ((sb->s_flags & MS_RDONLY) || !test_opt(sb, INIT_INODE_TABLE))
+ if (sb_rdonly(sb) || !test_opt(sb, INIT_INODE_TABLE))
ext4_unregister_li_request(sb);
else {
ext4_group_t first_not_zeroed;
@@ -5703,7 +5700,7 @@ static inline int ext2_feature_set_ok(struct super_block *sb)
{
if (ext4_has_unknown_ext2_incompat_features(sb))
return 0;
- if (sb->s_flags & MS_RDONLY)
+ if (sb_rdonly(sb))
return 1;
if (ext4_has_unknown_ext2_ro_compat_features(sb))
return 0;
@@ -5734,7 +5731,7 @@ static inline int ext3_feature_set_ok(struct super_block *sb)
return 0;
if (!ext4_has_feature_journal(sb))
return 0;
- if (sb->s_flags & MS_RDONLY)
+ if (sb_rdonly(sb))
return 1;
if (ext4_has_unknown_ext3_ro_compat_features(sb))
return 0;
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