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
This commit is contained in:
parent
a96c9b30e2
commit
f3b827f3ec
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=298789
@ -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);
|
||||
|
@ -200,7 +200,7 @@ struct buf {
|
||||
#define B_CACHE 0x00000020 /* Bread found us in the cache. */
|
||||
#define B_VALIDSUSPWRT 0x00000040 /* Valid write during suspension. */
|
||||
#define B_DELWRI 0x00000080 /* Delay I/O until buffer reused. */
|
||||
#define B_PERSISTENT 0x00000100 /* Perm. ref'ed while EXT2FS mounted. */
|
||||
#define B_00000100 0x00000100 /* Available flag. */
|
||||
#define B_DONE 0x00000200 /* I/O completed. */
|
||||
#define B_EINTR 0x00000400 /* I/O was interrupted */
|
||||
#define B_NOREUSE 0x00000800 /* Contents not reused once released. */
|
||||
@ -213,7 +213,7 @@ struct buf {
|
||||
#define B_00040000 0x00040000 /* Available flag. */
|
||||
#define B_00080000 0x00080000 /* Available flag. */
|
||||
#define B_00100000 0x00100000 /* Available flag. */
|
||||
#define B_DIRTY 0x00200000 /* Needs writing later (in EXT2FS). */
|
||||
#define B_00200000 0x00200000 /* Available flag. */
|
||||
#define B_RELBUF 0x00400000 /* Release VMIO buffer. */
|
||||
#define B_FS_FLAG1 0x00800000 /* Available flag for FS use. */
|
||||
#define B_NOCOPY 0x01000000 /* Don't copy-on-write this buf. */
|
||||
|
Loading…
Reference in New Issue
Block a user