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VFS: Convert sb->s_flags & MS_RDONLY to sb_rdonly(sb)

Browse source 
Firstly by applying the following with coccinelle's spatch:

	@@ expression SB; @@
	-SB->s_flags & MS_RDONLY
	+sb_rdonly(SB)

to effect the conversion to sb_rdonly(sb), then by applying:

	@@ expression A, SB; @@
	(
	-(!sb_rdonly(SB)) && A
	+!sb_rdonly(SB) && A
	|
	-A != (sb_rdonly(SB))
	+A != sb_rdonly(SB)
	|
	-A == (sb_rdonly(SB))
	+A == sb_rdonly(SB)
	|
	-!(sb_rdonly(SB))
	+!sb_rdonly(SB)
	|
	-A && (sb_rdonly(SB))
	+A && sb_rdonly(SB)
	|
	-A || (sb_rdonly(SB))
	+A || sb_rdonly(SB)
	|
	-(sb_rdonly(SB)) != A
	+sb_rdonly(SB) != A
	|
	-(sb_rdonly(SB)) == A
	+sb_rdonly(SB) == A
	|
	-(sb_rdonly(SB)) && A
	+sb_rdonly(SB) && A
	|
	-(sb_rdonly(SB)) || A
	+sb_rdonly(SB) || A
	)

	@@ expression A, B, SB; @@
	(
	-(sb_rdonly(SB)) ? 1 : 0
	+sb_rdonly(SB)
	|
	-(sb_rdonly(SB)) ? A : B
	+sb_rdonly(SB) ? A : B
	)

to remove left over excess bracketage and finally by applying:

	@@ expression A, SB; @@
	(
	-(A & MS_RDONLY) != sb_rdonly(SB)
	+(bool)(A & MS_RDONLY) != sb_rdonly(SB)
	|
	-(A & MS_RDONLY) == sb_rdonly(SB)
	+(bool)(A & MS_RDONLY) == sb_rdonly(SB)
	)

to make comparisons against the result of sb_rdonly() (which is a bool)
work correctly.

Signed-off-by: David Howells <[email protected]>
This commit is contained in:
David Howells 2017-07-17 08:45:34 +01:00
commit bc98a42c1f
74 changed files with 210 additions and 226 deletions
Download patch file Download diff file Expand all files Collapse all files

2
fs/affs/amigaffs.c
View file

@ -450,7 +450,7 @@ affs_error(struct super_block *sb, const char *function, const char *fmt, ...)
vaf.fmt = fmt;
vaf.va = &args;
pr_crit("error (device %s): %s(): %pV\n", sb->s_id, function, &vaf);
if (!(sb->s_flags & MS_RDONLY))
if (!sb_rdonly(sb))
pr_warn("Remounting filesystem read-only\n");
sb->s_flags |= MS_RDONLY;
va_end(args);

2
fs/affs/bitmap.c
View file

@ -19,7 +19,7 @@ affs_count_free_blocks(struct super_block *sb)
pr_debug("%s()\n", __func__);
if (sb->s_flags & MS_RDONLY)
if (sb_rdonly(sb))
return 0;
mutex_lock(&AFFS_SB(sb)->s_bmlock);

6
fs/affs/super.c
View file

@ -80,7 +80,7 @@ void affs_mark_sb_dirty(struct super_block *sb)
struct affs_sb_info *sbi = AFFS_SB(sb);
unsigned long delay;
if (sb->s_flags & MS_RDONLY)
if (sb_rdonly(sb))
return;
spin_lock(&sbi->work_lock);
@ -464,7 +464,7 @@ got_root:
* not recommended.
*/
if ((chksum == FS_DCFFS || chksum == MUFS_DCFFS || chksum == FS_DCOFS
|| chksum == MUFS_DCOFS) && !(sb->s_flags & MS_RDONLY)) {
|| chksum == MUFS_DCOFS) && !sb_rdonly(sb)) {
pr_notice("Dircache FS - mounting %s read only\n", sb->s_id);
sb->s_flags |= MS_RDONLY;
}
@ -596,7 +596,7 @@ affs_remount(struct super_block *sb, int *flags, char *data)
memcpy(sbi->s_volume, volume, 32);
spin_unlock(&sbi->symlink_lock);
if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb))
return 0;
if (*flags & MS_RDONLY)