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path: root/fs/ext4/super.c
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Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e14d22c170d5..fb1e191d0fa9 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3574,6 +3574,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
ext4_fsblk_t n_blocks_count = 0;
unsigned long old_sb_flags;
struct ext4_mount_options old_opts;
+ int enable_quota = 0;
ext4_group_t g;
unsigned int journal_ioprio = DEFAULT_JOURNAL_IOPRIO;
int err;
@@ -3630,6 +3631,12 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
}
if (*flags & MS_RDONLY) {
+ err = vfs_dq_off(sb, 1);
+ if (err < 0 && err != -ENOSYS) {
+ err = -EBUSY;
+ goto restore_opts;
+ }
+
/*
* First of all, the unconditional stuff we have to do
* to disable replay of the journal when we next remount
@@ -3698,6 +3705,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
goto restore_opts;
if (!ext4_setup_super(sb, es, 0))
sb->s_flags &= ~MS_RDONLY;
+ enable_quota = 1;
}
}
ext4_setup_system_zone(sb);
@@ -3713,6 +3721,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
#endif
unlock_super(sb);
unlock_kernel();
+ if (enable_quota)
+ vfs_dq_quota_on_remount(sb);
return 0;
restore_opts: