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Commit 38c03b34 authored by Theodore Ts'o's avatar Theodore Ts'o
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ext4: only call sync_filesystm() when remounting read-only 



This is the only time it is required for ext4.

Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent 02b9984d

fs/ext4/super.c

+3 −2
Original line number Diff line number Diff line
@@ -4765,8 +4765,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) 
#endif

	char *orig_data = kstrdup(data, GFP_KERNEL);



	sync_filesystem(sb);



	/* Store the original options */

	old_sb_flags = sb->s_flags;

	old_opts.s_mount_opt = sbi->s_mount_opt;
@@ -4837,6 +4835,9 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) 
		}



		if (*flags & MS_RDONLY) {

			err = sync_filesystem(sb);

			if (err < 0)

				goto restore_opts;

			err = dquot_suspend(sb, -1);

			if (err < 0)

				goto restore_opts;