[patch 15/18] move BH_JBD out of buffer_head.h

Andrew Morton (akpm@zip.com.au)
Sun, 26 May 2002 13:47:30 -0700


For historical reasons, ext3 has a private BH state bit which has
global scope. This patch moves it inside ext3.

=====================================

--- 2.5.18/include/linux/buffer_head.h~bh_jbd Sat May 25 23:25:51 2002
+++ 2.5.18-akpm/include/linux/buffer_head.h Sat May 25 23:25:51 2002
@@ -23,7 +23,6 @@ enum bh_state_bits {
BH_Async_Read, /* Is under end_buffer_async_read I/O */
BH_Async_Write, /* Is under end_buffer_async_write I/O */

- BH_JBD, /* Has an attached ext3 journal_head */
BH_Boundary, /* Block is followed by a discontiguity */
BH_PrivateStart,/* not a state bit, but the first bit available
* for private allocation by other entities
--- 2.5.18/include/linux/jbd.h~bh_jbd Sat May 25 23:25:51 2002
+++ 2.5.18-akpm/include/linux/jbd.h Sat May 25 23:25:51 2002
@@ -226,12 +226,13 @@ void buffer_assertion_failure(struct buf
#endif /* JBD_ASSERTIONS */

enum jbd_state_bits {
- BH_JWrite
- = BH_PrivateStart, /* 1 if being written to log (@@@ DEBUGGING) */
- BH_Freed, /* 1 if buffer has been freed (truncated) */
- BH_Revoked, /* 1 if buffer has been revoked from the log */
- BH_RevokeValid, /* 1 if buffer revoked flag is valid */
- BH_JBDDirty, /* 1 if buffer is dirty but journaled */
+ BH_JBD /* Has an attached ext3 journal_head */
+ = BH_PrivateStart,
+ BH_JWrite, /* Being written to log (@@@ DEBUGGING) */
+ BH_Freed, /* Has been freed (truncated) */
+ BH_Revoked, /* Has been revoked from the log */
+ BH_RevokeValid, /* Revoked flag is valid */
+ BH_JBDDirty, /* Is dirty but journaled */
};

BUFFER_FNS(JBD, jbd)

-
-
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