I think you'll want to remove them from the subsequent PRINT_BUF_FLAGS too.
Best,
Conrad
On Fri, Apr 29, 2016 at 9:32 AM, Pedro F. Giffuni wrote:
> Author: pfg
> Date: Fri Apr 29 16:32:28 2016
> New Revision: 298789
> URL: https://svnweb.freebsd.org/changeset/base/298789
>
> Log:
> bufs: make B_DIRTY and B_PERSISTENT flags available
>
> It appears these flags were related to ext2fs but are completely
> unused nowadays. Retire them.
>
> Suggested by: mckusick
>
> Modified:
> head/sys/kern/vfs_bio.c
> head/sys/sys/buf.h
>
> Modified: head/sys/kern/vfs_bio.c
> ==
> --- head/sys/kern/vfs_bio.c Fri Apr 29 16:07:25 2016(r298788)
> +++ head/sys/kern/vfs_bio.c Fri Apr 29 16:32:28 2016(r298789)
> @@ -1162,8 +1162,7 @@ vfs_buf_check_unmapped(struct buf *bp)
> static int
> isbufbusy(struct buf *bp)
> {
> - if (((bp->b_flags & (B_INVAL | B_PERSISTENT)) == 0 &&
> - BUF_ISLOCKED(bp)) ||
> + if (((bp->b_flags & B_INVAL) == 0 && BUF_ISLOCKED(bp)) ||
> ((bp->b_flags & (B_DELWRI | B_INVAL)) == B_DELWRI))
> return (1);
> return (0);
>
> Modified: head/sys/sys/buf.h
> ==
> --- head/sys/sys/buf.h Fri Apr 29 16:07:25 2016(r298788)
> +++ head/sys/sys/buf.h Fri Apr 29 16:32:28 2016(r298789)
> @@ -200,7 +200,7 @@ struct buf {
> #defineB_CACHE 0x0020 /* Bread found us in the
> cache. */
> #defineB_VALIDSUSPWRT 0x0040 /* Valid write during
> suspension. */
> #defineB_DELWRI0x0080 /* Delay I/O until buffer
> reused. */
> -#defineB_PERSISTENT0x0100 /* Perm. ref'ed while EXT2FS
> mounted. */
> +#defineB_0100 0x0100 /* Available flag. */
> #defineB_DONE 0x0200 /* I/O completed. */
> #defineB_EINTR 0x0400 /* I/O was interrupted */
> #defineB_NOREUSE 0x0800 /* Contents not reused once
> released. */
> @@ -213,7 +213,7 @@ struct buf {
> #defineB_0004 0x0004 /* Available flag. */
> #defineB_0008 0x0008 /* Available flag. */
> #defineB_0010 0x0010 /* Available flag. */
> -#defineB_DIRTY 0x0020 /* Needs writing later (in
> EXT2FS). */
> +#defineB_0020 0x0020 /* Available flag. */
> #defineB_RELBUF0x0040 /* Release VMIO buffer. */
> #defineB_FS_FLAG1 0x0080 /* Available flag for FS use.
> */
> #defineB_NOCOPY0x0100 /* Don't copy-on-write this
> buf. */
>
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