[PATCH 08/49] ext4: Simplify ext4_commit_super()'s function signature

Theodore Ts'o
2009-06-08T19:24:45Z

The ext4_commit_super() function took both a struct super_block * and
a struct ext4_super_block *, but the struct ext4_super_block can be
derived from the struct super_block.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/super.c | 33 ++++++++++++++++-----------------
1 files changed, 16 insertions(+), 17 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3e509bc..ad4c9be 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -54,8 +54,7 @@ static struct kset *ext4_kset;

static int ext4_load_journal(struct super_block *, struct ext4_super_block *,
unsigned long journal_devnum);
-static int ext4_commit_super(struct super_block *sb,
- struct ext4_super_block *es, int sync);
+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);
static void ext4_clear_journal_err(struct super_block *sb,
@@ -306,7 +305,7 @@ static void ext4_handle_error(struct super_block *sb)
printk(KERN_CRIT "Remounting filesystem read-only\n");
sb->s_flags |= MS_RDONLY;
}
- ext4_commit_super(sb, es, 1);
+ ext4_commit_super(sb, 1);
if (test_opt(sb, ERRORS_PANIC))
panic("EXT4-fs (device %s): panic forced after error\n",
sb->s_id);
@@ -448,7 +447,7 @@ __acquires(bitlock)
if (test_opt(sb, ERRORS_CONT)) {
EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
- ext4_commit_super(sb, es, 0);
+ ext4_commit_super(sb, 0);
return;
}
ext4_unlock_group(sb, grp);
@@ -577,7 +576,7 @@ static void ext4_put_super(struct super_block *sb)
if (!(sb->s_flags & MS_RDONLY)) {
EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
es->s_state = cpu_to_le16(sbi->s_mount_state);
- ext4_commit_super(sb, es, 1);
+ ext4_commit_super(sb, 1);
}
if (sbi->s_proc) {
remove_proc_entry(sb->s_id, ext4_proc_root);
@@ -1596,7 +1595,7 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
if (sbi->s_journal)
EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);

- ext4_commit_super(sb, es, 1);
+ ext4_commit_super(sb, 1);
if (test_opt(sb, DEBUG))
printk(KERN_INFO "[EXT4 FS bs=%lu, gc=%u, "
"bpg=%lu, ipg=%lu, mo=%04lx]\n",
@@ -2655,7 +2654,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
if (test_opt(sb, ERRORS_PANIC)) {
EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
- ext4_commit_super(sb, es, 1);
+ ext4_commit_super(sb, 1);
goto failed_mount4;
}
}
@@ -3132,15 +3131,15 @@ static int ext4_load_journal(struct super_block *sb,
sb->s_dirt = 1;

/* Make sure we flush the recovery flag to disk. */
- ext4_commit_super(sb, es, 1);
+ ext4_commit_super(sb, 1);
}

return 0;
}

-static int ext4_commit_super(struct super_block *sb,
- struct ext4_super_block *es, int sync)
+static int ext4_commit_super(struct super_block *sb, int sync)
{
+ struct ext4_super_block *es = EXT4_SB(sb)->s_es;
struct buffer_head *sbh = EXT4_SB(sb)->s_sbh;
int error = 0;

@@ -3212,7 +3211,7 @@ static void ext4_mark_recovery_complete(struct super_block *sb,
sb->s_flags & MS_RDONLY) {
EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
sb->s_dirt = 0;
- ext4_commit_super(sb, es, 1);
+ ext4_commit_super(sb, 1);
}
unlock_super(sb);

@@ -3253,7 +3252,7 @@ static void ext4_clear_journal_err(struct super_block *sb,

EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
- ext4_commit_super(sb, es, 1);
+ ext4_commit_super(sb, 1);

jbd2_journal_clear_err(journal);
}
@@ -3293,7 +3292,7 @@ static void ext4_write_super(struct super_block *sb)
BUG();
sb->s_dirt = 0;
} else {
- ext4_commit_super(sb, EXT4_SB(sb)->s_es, 1);
+ ext4_commit_super(sb, 1);
}
}

@@ -3312,7 +3311,7 @@ static int ext4_sync_fs(struct super_block *sb, int wait)
target);
}
} else {
- ext4_commit_super(sb, EXT4_SB(sb)->s_es, wait);
+ ext4_commit_super(sb, wait);
}
return ret;
}
@@ -3345,7 +3344,7 @@ static int ext4_freeze(struct super_block *sb)

/* Journal blocked and flushed, clear needs_recovery flag. */
EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
- error = ext4_commit_super(sb, EXT4_SB(sb)->s_es, 1);
+ error = ext4_commit_super(sb, 1);
if (error)
goto out;
}
@@ -3365,7 +3364,7 @@ static int ext4_unfreeze(struct super_block *sb)
lock_super(sb);
/* Reser the needs_recovery flag before the fs is unlocked. */
EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
- ext4_commit_super(sb, EXT4_SB(sb)->s_es, 1);
+ ext4_commit_super(sb, 1);
unlock_super(sb);
jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal);
}
@@ -3520,7 +3519,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
}
}
if (sbi->s_journal == NULL)
- ext4_commit_super(sb, es, 1);
+ ext4_commit_super(sb, 1);

#ifdef CONFIG_QUOTA
/* Release old quota file names */
--
1.6.3.2.1.gb9f7d.dirty