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[XFS] only mark buffers done when all pages are uptodate in addition

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replace PBF_NONE with an inverted PBF_DONE, so it's like all the other
flags.

SGI-PV: 942609
SGI-Modid: xfs-linux:xfs-kern:199136a

Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Christoph Hellwig
2005-11-02 10:29:39 +11:00
committed by Nathan Scott
parent d0cfb37305
commit c86e711ceb
2 changed files with 8 additions and 8 deletions
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8
fs/xfs/linux-2.6/xfs_buf.h
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@@ -70,7 +70,7 @@ typedef enum page_buf_flags_e { /* pb_flags values */
PBF_WRITE = (1 << 1), /* buffer intended for writing to device */
PBF_MAPPED = (1 << 2), /* buffer mapped (pb_addr valid) */
PBF_ASYNC = (1 << 4), /* initiator will not wait for completion */
PBF_NONE = (1 << 5), /* buffer not read at all */
PBF_DONE = (1 << 5), /* all pages in the buffer uptodate */
PBF_DELWRI = (1 << 6), /* buffer has dirty pages */
PBF_STALE = (1 << 7), /* buffer has been staled, do not find it */
PBF_FS_MANAGED = (1 << 8), /* filesystem controls freeing memory */
@@ -371,9 +371,9 @@ extern void pagebuf_trace(
#define XFS_BUF_GETERROR(x) pagebuf_geterror(x)
#define XFS_BUF_ISERROR(x) (pagebuf_geterror(x)?1:0)
#define XFS_BUF_DONE(x) ((x)->pb_flags &= ~PBF_NONE)
#define XFS_BUF_UNDONE(x) ((x)->pb_flags |= PBF_NONE)
#define XFS_BUF_ISDONE(x) (((x)->pb_flags & PBF_NONE) == 0)
#define XFS_BUF_DONE(x) ((x)->pb_flags |= PBF_DONE)
#define XFS_BUF_UNDONE(x) ((x)->pb_flags &= ~PBF_DONE)
#define XFS_BUF_ISDONE(x) ((x)->pb_flags & PBF_DONE)
#define XFS_BUF_BUSY(x) do { } while (0)
#define XFS_BUF_UNBUSY(x) do { } while (0)