Commit 94e92e7a authored by David Howells's avatar David Howells
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vfs: Add sb_rdonly(sb) to query the MS_RDONLY flag on s_flags 



Add an sb_rdonly() function to query the MS_RDONLY flag on sb->s_flags
preparatory to providing an SB_RDONLY flag.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent 87b2c3fc

include/linux/fs.h

+2 −1
Original line number Diff line number Diff line
@@ -1844,7 +1844,8 @@ struct super_operations { 
 */

#define __IS_FLG(inode, flg)	((inode)->i_sb->s_flags & (flg))



#define IS_RDONLY(inode)	((inode)->i_sb->s_flags & MS_RDONLY)

static inline bool sb_rdonly(const struct super_block *sb) { return sb->s_flags & MS_RDONLY; }

#define IS_RDONLY(inode)	sb_rdonly((inode)->i_sb)

#define IS_SYNC(inode)		(__IS_FLG(inode, MS_SYNCHRONOUS) || \

					((inode)->i_flags & S_SYNC))

#define IS_DIRSYNC(inode)	(__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) || \