ext4: move ext4_show_options() after parse_options()

This commit is strictly a code movement so in preparation of changing
ext4_show_options to be table driven.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 175 insertions, 174 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 61a65ee2c905..7e3a319ec402 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -62,6 +62,7 @@ static struct ext4_features *ext4_feat;
 
 static int ext4_load_journal(struct super_block *, struct ext4_super_block *,
                              unsigned long journal_devnum);
+static int ext4_show_options(struct seq_file *seq, struct dentry *root);
 static int ext4_commit_super(struct super_block *sb, int sync);
 static void ext4_mark_recovery_complete(struct super_block *sb,
                                         struct ext4_super_block *es);
@@ -1006,180 +1007,6 @@ void ext4_clear_inode(struct inode *inode)
         }
 }
 
-static inline void ext4_show_quota_options(struct seq_file *seq,
-                                           struct super_block *sb)
-{
-#if defined(CONFIG_QUOTA)
-        struct ext4_sb_info *sbi = EXT4_SB(sb);
-
-        if (sbi->s_jquota_fmt) {
-                char *fmtname = "";
-
-                switch (sbi->s_jquota_fmt) {
-                case QFMT_VFS_OLD:
-                        fmtname = "vfsold";
-                        break;
-                case QFMT_VFS_V0:
-                        fmtname = "vfsv0";
-                        break;
-                case QFMT_VFS_V1:
-                        fmtname = "vfsv1";
-                        break;
-                }
-                seq_printf(seq, ",jqfmt=%s", fmtname);
-        }
-
-        if (sbi->s_qf_names[USRQUOTA])
-                seq_printf(seq, ",usrjquota=%s", sbi->s_qf_names[USRQUOTA]);
-
-        if (sbi->s_qf_names[GRPQUOTA])
-                seq_printf(seq, ",grpjquota=%s", sbi->s_qf_names[GRPQUOTA]);
-
-        if (test_opt(sb, USRQUOTA))
-                seq_puts(seq, ",usrquota");
-
-        if (test_opt(sb, GRPQUOTA))
-                seq_puts(seq, ",grpquota");
-#endif
-}
-
-/*
- * Show an option if
- *  - it's set to a non-default value OR
- *  - if the per-sb default is different from the global default
- */
-static int ext4_show_options(struct seq_file *seq, struct dentry *root)
-{
-        int def_errors;
-        unsigned long def_mount_opts;
-        struct super_block *sb = root->d_sb;
-        struct ext4_sb_info *sbi = EXT4_SB(sb);
-        struct ext4_super_block *es = sbi->s_es;
-
-        def_mount_opts = le32_to_cpu(es->s_default_mount_opts);
-        def_errors     = le16_to_cpu(es->s_errors);
-
-        if (sbi->s_sb_block != 1)
-                seq_printf(seq, ",sb=%llu", sbi->s_sb_block);
-        if (test_opt(sb, MINIX_DF))
-                seq_puts(seq, ",minixdf");
-        if (test_opt(sb, GRPID) && !(def_mount_opts & EXT4_DEFM_BSDGROUPS))
-                seq_puts(seq, ",grpid");
-        if (!test_opt(sb, GRPID) && (def_mount_opts & EXT4_DEFM_BSDGROUPS))
-                seq_puts(seq, ",nogrpid");
-        if (sbi->s_resuid != EXT4_DEF_RESUID ||
-            le16_to_cpu(es->s_def_resuid) != EXT4_DEF_RESUID) {
-                seq_printf(seq, ",resuid=%u", sbi->s_resuid);
-        }
-        if (sbi->s_resgid != EXT4_DEF_RESGID ||
-            le16_to_cpu(es->s_def_resgid) != EXT4_DEF_RESGID) {
-                seq_printf(seq, ",resgid=%u", sbi->s_resgid);
-        }
-        if (test_opt(sb, ERRORS_RO)) {
-                if (def_errors == EXT4_ERRORS_PANIC ||
-                    def_errors == EXT4_ERRORS_CONTINUE) {
-                        seq_puts(seq, ",errors=remount-ro");
-                }
-        }
-        if (test_opt(sb, ERRORS_CONT) && def_errors != EXT4_ERRORS_CONTINUE)
-                seq_puts(seq, ",errors=continue");
-        if (test_opt(sb, ERRORS_PANIC) && def_errors != EXT4_ERRORS_PANIC)
-                seq_puts(seq, ",errors=panic");
-        if (test_opt(sb, NO_UID32) && !(def_mount_opts & EXT4_DEFM_UID16))
-                seq_puts(seq, ",nouid32");
-        if (test_opt(sb, DEBUG) && !(def_mount_opts & EXT4_DEFM_DEBUG))
-                seq_puts(seq, ",debug");
-#ifdef CONFIG_EXT4_FS_XATTR
-        if (test_opt(sb, XATTR_USER))
-                seq_puts(seq, ",user_xattr");
-        if (!test_opt(sb, XATTR_USER))
-                seq_puts(seq, ",nouser_xattr");
-#endif
-#ifdef CONFIG_EXT4_FS_POSIX_ACL
-        if (test_opt(sb, POSIX_ACL) && !(def_mount_opts & EXT4_DEFM_ACL))
-                seq_puts(seq, ",acl");
-        if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT4_DEFM_ACL))
-                seq_puts(seq, ",noacl");
-#endif
-        if (sbi->s_commit_interval != JBD2_DEFAULT_MAX_COMMIT_AGE*HZ) {
-                seq_printf(seq, ",commit=%u",
-                           (unsigned) (sbi->s_commit_interval / HZ));
-        }
-        if (sbi->s_min_batch_time != EXT4_DEF_MIN_BATCH_TIME) {
-                seq_printf(seq, ",min_batch_time=%u",
-                           (unsigned) sbi->s_min_batch_time);
-        }
-        if (sbi->s_max_batch_time != EXT4_DEF_MAX_BATCH_TIME) {
-                seq_printf(seq, ",max_batch_time=%u",
-                           (unsigned) sbi->s_max_batch_time);
-        }
-
-        /*
-         * We're changing the default of barrier mount option, so
-         * let's always display its mount state so it's clear what its
-         * status is.
-         */
-        seq_puts(seq, ",barrier=");
-        seq_puts(seq, test_opt(sb, BARRIER) ? "1" : "0");
-        if (test_opt(sb, JOURNAL_ASYNC_COMMIT))
-                seq_puts(seq, ",journal_async_commit");
-        else if (test_opt(sb, JOURNAL_CHECKSUM))
-                seq_puts(seq, ",journal_checksum");
-        if (sb->s_flags & MS_I_VERSION)
-                seq_puts(seq, ",i_version");
-        if (!test_opt(sb, DELALLOC) &&
-            !(def_mount_opts & EXT4_DEFM_NODELALLOC))
-                seq_puts(seq, ",nodelalloc");
-
-        if (!test_opt(sb, MBLK_IO_SUBMIT))
-                seq_puts(seq, ",nomblk_io_submit");
-        if (sbi->s_stripe)
-                seq_printf(seq, ",stripe=%lu", sbi->s_stripe);
-        /*
-         * journal mode get enabled in different ways
-         * So just print the value even if we didn't specify it
-         */
-        if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
-                seq_puts(seq, ",data=journal");
-        else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA)
-                seq_puts(seq, ",data=ordered");
-        else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)
-                seq_puts(seq, ",data=writeback");
-
-        if (sbi->s_inode_readahead_blks != EXT4_DEF_INODE_READAHEAD_BLKS)
-                seq_printf(seq, ",inode_readahead_blks=%u",
-                           sbi->s_inode_readahead_blks);
-
-        if (test_opt(sb, DATA_ERR_ABORT))
-                seq_puts(seq, ",data_err=abort");
-
-        if (test_opt(sb, NO_AUTO_DA_ALLOC))
-                seq_puts(seq, ",noauto_da_alloc");
-
-        if (test_opt(sb, DISCARD) && !(def_mount_opts & EXT4_DEFM_DISCARD))
-                seq_puts(seq, ",discard");
-
-        if (test_opt(sb, NOLOAD))
-                seq_puts(seq, ",norecovery");
-
-        if (test_opt(sb, DIOREAD_NOLOCK))
-                seq_puts(seq, ",dioread_nolock");
-
-        if (test_opt(sb, BLOCK_VALIDITY) &&
-            !(def_mount_opts & EXT4_DEFM_BLOCK_VALIDITY))
-                seq_puts(seq, ",block_validity");
-
-        if (!test_opt(sb, INIT_INODE_TABLE))
-                seq_puts(seq, ",noinit_itable");
-        else if (sbi->s_li_wait_mult != EXT4_DEF_LI_WAIT_MULT)
-                seq_printf(seq, ",init_itable=%u",
-                           (unsigned) sbi->s_li_wait_mult);
-
-        ext4_show_quota_options(seq, sb);
-
-        return 0;
-}
-
 static struct inode *ext4_nfs_get_inode(struct super_block *sb,
                                         u64 ino, u32 generation)
 {
@@ -1804,6 +1631,180 @@ static int parse_options(char *options, struct super_block *sb,
         return 1;
 }
 
+static inline void ext4_show_quota_options(struct seq_file *seq,
+                                           struct super_block *sb)
+{
+#if defined(CONFIG_QUOTA)
+        struct ext4_sb_info *sbi = EXT4_SB(sb);
+
+        if (sbi->s_jquota_fmt) {
+                char *fmtname = "";
+
+                switch (sbi->s_jquota_fmt) {
+                case QFMT_VFS_OLD:
+                        fmtname = "vfsold";
+                        break;
+                case QFMT_VFS_V0:
+                        fmtname = "vfsv0";
+                        break;
+                case QFMT_VFS_V1:
+                        fmtname = "vfsv1";
+                        break;
+                }
+                seq_printf(seq, ",jqfmt=%s", fmtname);
+        }
+
+        if (sbi->s_qf_names[USRQUOTA])
+                seq_printf(seq, ",usrjquota=%s", sbi->s_qf_names[USRQUOTA]);
+
+        if (sbi->s_qf_names[GRPQUOTA])
+                seq_printf(seq, ",grpjquota=%s", sbi->s_qf_names[GRPQUOTA]);
+
+        if (test_opt(sb, USRQUOTA))
+                seq_puts(seq, ",usrquota");
+
+        if (test_opt(sb, GRPQUOTA))
+                seq_puts(seq, ",grpquota");
+#endif
+}
+
+/*
+ * Show an option if
+ *  - it's set to a non-default value OR
+ *  - if the per-sb default is different from the global default
+ */
+static int ext4_show_options(struct seq_file *seq, struct dentry *root)
+{
+        int def_errors;
+        unsigned long def_mount_opts;
+        struct super_block *sb = root->d_sb;
+        struct ext4_sb_info *sbi = EXT4_SB(sb);
+        struct ext4_super_block *es = sbi->s_es;
+
+        def_mount_opts = le32_to_cpu(es->s_default_mount_opts);
+        def_errors     = le16_to_cpu(es->s_errors);
+
+        if (sbi->s_sb_block != 1)
+                seq_printf(seq, ",sb=%llu", sbi->s_sb_block);
+        if (test_opt(sb, MINIX_DF))
+                seq_puts(seq, ",minixdf");
+        if (test_opt(sb, GRPID) && !(def_mount_opts & EXT4_DEFM_BSDGROUPS))
+                seq_puts(seq, ",grpid");
+        if (!test_opt(sb, GRPID) && (def_mount_opts & EXT4_DEFM_BSDGROUPS))
+                seq_puts(seq, ",nogrpid");
+        if (sbi->s_resuid != EXT4_DEF_RESUID ||
+            le16_to_cpu(es->s_def_resuid) != EXT4_DEF_RESUID) {
+                seq_printf(seq, ",resuid=%u", sbi->s_resuid);
+        }
+        if (sbi->s_resgid != EXT4_DEF_RESGID ||
+            le16_to_cpu(es->s_def_resgid) != EXT4_DEF_RESGID) {
+                seq_printf(seq, ",resgid=%u", sbi->s_resgid);
+        }
+        if (test_opt(sb, ERRORS_RO)) {
+                if (def_errors == EXT4_ERRORS_PANIC ||
+                    def_errors == EXT4_ERRORS_CONTINUE) {
+                        seq_puts(seq, ",errors=remount-ro");
+                }
+        }
+        if (test_opt(sb, ERRORS_CONT) && def_errors != EXT4_ERRORS_CONTINUE)
+                seq_puts(seq, ",errors=continue");
+        if (test_opt(sb, ERRORS_PANIC) && def_errors != EXT4_ERRORS_PANIC)
+                seq_puts(seq, ",errors=panic");
+        if (test_opt(sb, NO_UID32) && !(def_mount_opts & EXT4_DEFM_UID16))
+                seq_puts(seq, ",nouid32");
+        if (test_opt(sb, DEBUG) && !(def_mount_opts & EXT4_DEFM_DEBUG))
+                seq_puts(seq, ",debug");
+#ifdef CONFIG_EXT4_FS_XATTR
+        if (test_opt(sb, XATTR_USER))
+                seq_puts(seq, ",user_xattr");
+        if (!test_opt(sb, XATTR_USER))
+                seq_puts(seq, ",nouser_xattr");
+#endif
+#ifdef CONFIG_EXT4_FS_POSIX_ACL
+        if (test_opt(sb, POSIX_ACL) && !(def_mount_opts & EXT4_DEFM_ACL))
+                seq_puts(seq, ",acl");
+        if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT4_DEFM_ACL))
+                seq_puts(seq, ",noacl");
+#endif
+        if (sbi->s_commit_interval != JBD2_DEFAULT_MAX_COMMIT_AGE*HZ) {
+                seq_printf(seq, ",commit=%u",
+                           (unsigned) (sbi->s_commit_interval / HZ));
+        }
+        if (sbi->s_min_batch_time != EXT4_DEF_MIN_BATCH_TIME) {
+                seq_printf(seq, ",min_batch_time=%u",
+                           (unsigned) sbi->s_min_batch_time);
+        }
+        if (sbi->s_max_batch_time != EXT4_DEF_MAX_BATCH_TIME) {
+                seq_printf(seq, ",max_batch_time=%u",
+                           (unsigned) sbi->s_max_batch_time);
+        }
+
+        /*
+         * We're changing the default of barrier mount option, so
+         * let's always display its mount state so it's clear what its
+         * status is.
+         */
+        seq_puts(seq, ",barrier=");
+        seq_puts(seq, test_opt(sb, BARRIER) ? "1" : "0");
+        if (test_opt(sb, JOURNAL_ASYNC_COMMIT))
+                seq_puts(seq, ",journal_async_commit");
+        else if (test_opt(sb, JOURNAL_CHECKSUM))
+                seq_puts(seq, ",journal_checksum");
+        if (sb->s_flags & MS_I_VERSION)
+                seq_puts(seq, ",i_version");
+        if (!test_opt(sb, DELALLOC) &&
+            !(def_mount_opts & EXT4_DEFM_NODELALLOC))
+                seq_puts(seq, ",nodelalloc");
+
+        if (!test_opt(sb, MBLK_IO_SUBMIT))
+                seq_puts(seq, ",nomblk_io_submit");
+        if (sbi->s_stripe)
+                seq_printf(seq, ",stripe=%lu", sbi->s_stripe);
+        /*
+         * journal mode get enabled in different ways
+         * So just print the value even if we didn't specify it
+         */
+        if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
+                seq_puts(seq, ",data=journal");
+        else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA)
+                seq_puts(seq, ",data=ordered");
+        else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)
+                seq_puts(seq, ",data=writeback");
+
+        if (sbi->s_inode_readahead_blks != EXT4_DEF_INODE_READAHEAD_BLKS)
+                seq_printf(seq, ",inode_readahead_blks=%u",
+                           sbi->s_inode_readahead_blks);
+
+        if (test_opt(sb, DATA_ERR_ABORT))
+                seq_puts(seq, ",data_err=abort");
+
+        if (test_opt(sb, NO_AUTO_DA_ALLOC))
+                seq_puts(seq, ",noauto_da_alloc");
+
+        if (test_opt(sb, DISCARD) && !(def_mount_opts & EXT4_DEFM_DISCARD))
+                seq_puts(seq, ",discard");
+
+        if (test_opt(sb, NOLOAD))
+                seq_puts(seq, ",norecovery");
+
+        if (test_opt(sb, DIOREAD_NOLOCK))
+                seq_puts(seq, ",dioread_nolock");
+
+        if (test_opt(sb, BLOCK_VALIDITY) &&
+            !(def_mount_opts & EXT4_DEFM_BLOCK_VALIDITY))
+                seq_puts(seq, ",block_validity");
+
+        if (!test_opt(sb, INIT_INODE_TABLE))
+                seq_puts(seq, ",noinit_itable");
+        else if (sbi->s_li_wait_mult != EXT4_DEF_LI_WAIT_MULT)
+                seq_printf(seq, ",init_itable=%u",
+                           (unsigned) sbi->s_li_wait_mult);
+
+        ext4_show_quota_options(seq, sb);
+
+        return 0;
+}
+
 static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
                             int read_only)
 {