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Subject[PATCH 2/3] f2fs: add f2fs_readonly()
Date
Introduce a simple macro function for readability.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
---
fs/f2fs/f2fs.h | 5 +++++
fs/f2fs/file.c | 2 +-
fs/f2fs/super.c | 2 +-
3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 9182b27..6594ce1 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -887,6 +887,11 @@ static inline int cond_clear_inode_flag(struct f2fs_inode_info *fi, int flag)
return 0;
}

+static inline int f2fs_readonly(struct super_block *sb)
+{
+ return sb->s_flags & MS_RDONLY;
+}
+
/*
* file.c
*/
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 9937ba1..316bcfe 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -114,7 +114,7 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
.for_reclaim = 0,
};

- if (inode->i_sb->s_flags & MS_RDONLY)
+ if (f2fs_readonly(inode->i_sb))
return 0;

trace_f2fs_sync_file_enter(inode);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 8555f7d..3ac305d 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -170,7 +170,7 @@ static int f2fs_freeze(struct super_block *sb)
{
int err;

- if (sb->s_flags & MS_RDONLY)
+ if (f2fs_readonly(sb))
return 0;

err = f2fs_sync_fs(sb, 1);
--
1.8.1.3.566.gaa39828


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