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xfs: clean up busy extent naming 

Now that the busy extent tracking has been moved out of the
allocation files, clean up the namespace it uses to
"xfs_extent_busy" rather than a mix of "xfs_busy" and
"xfs_alloc_busy".

Signed-off-by: Dave Chinner<dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Dave Chinner 2012-04-29 10:41:10 +00:00 committed by Ben Myers
parent efc27b5259
commit 4ecbfe637c
8 changed files with 73 additions and 73 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
fs/xfs/xfs_alloc.c
View File

@ -47,7 +47,7 @@ STATIC int xfs_alloc_ag_vextent_near(xfs_alloc_arg_t *);
STATIC int xfs_alloc_ag_vextent_size(xfs_alloc_arg_t *);
STATIC int xfs_alloc_ag_vextent_small(xfs_alloc_arg_t *,
xfs_btree_cur_t *, xfs_agblock_t *, xfs_extlen_t *, int *);
STATIC void xfs_alloc_busy_trim(struct xfs_alloc_arg *,
STATIC void xfs_extent_busy_trim(struct xfs_alloc_arg *,
xfs_agblock_t, xfs_extlen_t, xfs_agblock_t *, xfs_extlen_t *);
/*
@ -152,7 +152,7 @@ xfs_alloc_compute_aligned(
xfs_extlen_t len;
/* Trim busy sections out of found extent */
xfs_alloc_busy_trim(args, foundbno, foundlen, &bno, &len);
xfs_extent_busy_trim(args, foundbno, foundlen, &bno, &len);
if (args->alignment > 1 && len >= args->minlen) {
xfs_agblock_t aligned_bno = roundup(bno, args->alignment);
@ -536,7 +536,7 @@ xfs_alloc_ag_vextent(
if (error)
return error;
ASSERT(!xfs_alloc_busy_search(args->mp, args->agno,
ASSERT(!xfs_extent_busy_search(args->mp, args->agno,
args->agbno, args->len));
}
@ -603,7 +603,7 @@ xfs_alloc_ag_vextent_exact(
/*
* Check for overlapping busy extents.
*/
xfs_alloc_busy_trim(args, fbno, flen, &tbno, &tlen);
xfs_extent_busy_trim(args, fbno, flen, &tbno, &tlen);
/*
* Give up if the start of the extent is busy, or the freespace isn't
@ -1391,7 +1391,7 @@ xfs_alloc_ag_vextent_small(
if (error)
goto error0;
if (fbno != NULLAGBLOCK) {
xfs_alloc_busy_reuse(args->mp, args->agno, fbno, 1,
xfs_extent_busy_reuse(args->mp, args->agno, fbno, 1,
args->userdata);
if (args->userdata) {
@ -2496,7 +2496,7 @@ xfs_free_extent(
error = xfs_free_ag_extent(tp, args.agbp, args.agno, args.agbno, len, 0);
if (!error)
xfs_alloc_busy_insert(tp, args.agno, args.agbno, len, 0);
xfs_extent_busy_insert(tp, args.agno, args.agbno, len, 0);
error0:
xfs_perag_put(args.pag);
return error;

6
fs/xfs/xfs_alloc_btree.c
View File

@ -94,7 +94,7 @@ xfs_allocbt_alloc_block(
return 0;
}
xfs_alloc_busy_reuse(cur->bc_mp, cur->bc_private.a.agno, bno, 1, false);
xfs_extent_busy_reuse(cur->bc_mp, cur->bc_private.a.agno, bno, 1, false);
xfs_trans_agbtree_delta(cur->bc_tp, 1);
new->s = cpu_to_be32(bno);
@ -119,8 +119,8 @@ xfs_allocbt_free_block(
if (error)
return error;
xfs_alloc_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1,
XFS_ALLOC_BUSY_SKIP_DISCARD);
xfs_extent_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1,
XFS_EXTENT_BUSY_SKIP_DISCARD);
xfs_trans_agbtree_delta(cur->bc_tp, -1);
return 0;
}

4
fs/xfs/xfs_discard.c
View File

@ -118,7 +118,7 @@ xfs_trim_extents(
* If any blocks in the range are still busy, skip the
* discard and try again the next time.
*/
if (xfs_alloc_busy_search(mp, agno, fbno, flen)) {
if (xfs_extent_busy_search(mp, agno, fbno, flen)) {
trace_xfs_discard_busy(mp, agno, fbno, flen);
goto next_extent;
}
@ -212,7 +212,7 @@ xfs_discard_extents(
struct xfs_mount *mp,
struct list_head *list)
{
struct xfs_busy_extent *busyp;
struct xfs_extent_busy *busyp;
int error = 0;
list_for_each_entry(busyp, list, list) {

78
fs/xfs/xfs_extent_busy.c
View File

@ -32,27 +32,27 @@
#include "xfs_trace.h"
void
xfs_alloc_busy_insert(
xfs_extent_busy_insert(
struct xfs_trans *tp,
xfs_agnumber_t agno,
xfs_agblock_t bno,
xfs_extlen_t len,
unsigned int flags)
{
struct xfs_busy_extent *new;
struct xfs_busy_extent *busyp;
struct xfs_extent_busy *new;
struct xfs_extent_busy *busyp;
struct xfs_perag *pag;
struct rb_node **rbp;
struct rb_node *parent = NULL;
new = kmem_zalloc(sizeof(struct xfs_busy_extent), KM_MAYFAIL);
new = kmem_zalloc(sizeof(struct xfs_extent_busy), KM_MAYFAIL);
if (!new) {
/*
* No Memory! Since it is now not possible to track the free
* block, make this a synchronous transaction to insure that
* the block is not reused before this transaction commits.
*/
trace_xfs_alloc_busy_enomem(tp->t_mountp, agno, bno, len);
trace_xfs_extent_busy_enomem(tp->t_mountp, agno, bno, len);
xfs_trans_set_sync(tp);
return;
}
@ -64,14 +64,14 @@ xfs_alloc_busy_insert(
new->flags = flags;
/* trace before insert to be able to see failed inserts */
trace_xfs_alloc_busy(tp->t_mountp, agno, bno, len);
trace_xfs_extent_busy(tp->t_mountp, agno, bno, len);
pag = xfs_perag_get(tp->t_mountp, new->agno);
spin_lock(&pag->pagb_lock);
rbp = &pag->pagb_tree.rb_node;
while (*rbp) {
parent = *rbp;
busyp = rb_entry(parent, struct xfs_busy_extent, rb_node);
busyp = rb_entry(parent, struct xfs_extent_busy, rb_node);
if (new->bno < busyp->bno) {
rbp = &(*rbp)->rb_left;
@ -95,14 +95,14 @@ xfs_alloc_busy_insert(
/*
* Search for a busy extent within the range of the extent we are about to
* allocate. You need to be holding the busy extent tree lock when calling
* xfs_alloc_busy_search(). This function returns 0 for no overlapping busy
* xfs_extent_busy_search(). This function returns 0 for no overlapping busy
* extent, -1 for an overlapping but not exact busy extent, and 1 for an exact
* match. This is done so that a non-zero return indicates an overlap that
* will require a synchronous transaction, but it can still be
* used to distinguish between a partial or exact match.
*/
int
xfs_alloc_busy_search(
xfs_extent_busy_search(
struct xfs_mount *mp,
xfs_agnumber_t agno,
xfs_agblock_t bno,
@ -110,7 +110,7 @@ xfs_alloc_busy_search(
{
struct xfs_perag *pag;
struct rb_node *rbp;
struct xfs_busy_extent *busyp;
struct xfs_extent_busy *busyp;
int match = 0;
pag = xfs_perag_get(mp, agno);
@ -120,7 +120,7 @@ xfs_alloc_busy_search(
/* find closest start bno overlap */
while (rbp) {
busyp = rb_entry(rbp, struct xfs_busy_extent, rb_node);
busyp = rb_entry(rbp, struct xfs_extent_busy, rb_node);
if (bno < busyp->bno) {
/* may overlap, but exact start block is lower */
if (bno + len > busyp->bno)
@ -154,10 +154,10 @@ xfs_alloc_busy_search(
* needs to be restarted.
*/
STATIC bool
xfs_alloc_busy_update_extent(
xfs_extent_busy_update_extent(
struct xfs_mount *mp,
struct xfs_perag *pag,
struct xfs_busy_extent *busyp,
struct xfs_extent_busy *busyp,
xfs_agblock_t fbno,
xfs_extlen_t flen,
bool userdata)
@ -171,7 +171,7 @@ xfs_alloc_busy_update_extent(
* performing the discard a chance to mark the extent unbusy
* and retry.
*/
if (busyp->flags & XFS_ALLOC_BUSY_DISCARDED) {
if (busyp->flags & XFS_EXTENT_BUSY_DISCARDED) {
spin_unlock(&pag->pagb_lock);
delay(1);
spin_lock(&pag->pagb_lock);
@ -285,13 +285,13 @@ xfs_alloc_busy_update_extent(
ASSERT(0);
}
trace_xfs_alloc_busy_reuse(mp, pag->pag_agno, fbno, flen);
trace_xfs_extent_busy_reuse(mp, pag->pag_agno, fbno, flen);
return true;
out_force_log:
spin_unlock(&pag->pagb_lock);
xfs_log_force(mp, XFS_LOG_SYNC);
trace_xfs_alloc_busy_force(mp, pag->pag_agno, fbno, flen);
trace_xfs_extent_busy_force(mp, pag->pag_agno, fbno, flen);
spin_lock(&pag->pagb_lock);
return false;
}
@ -301,7 +301,7 @@ out_force_log:
* For a given extent [fbno, flen], make sure we can reuse it safely.
*/
void
xfs_alloc_busy_reuse(
xfs_extent_busy_reuse(
struct xfs_mount *mp,
xfs_agnumber_t agno,
xfs_agblock_t fbno,
@ -318,8 +318,8 @@ xfs_alloc_busy_reuse(
restart:
rbp = pag->pagb_tree.rb_node;
while (rbp) {
struct xfs_busy_extent *busyp =
rb_entry(rbp, struct xfs_busy_extent, rb_node);
struct xfs_extent_busy *busyp =
rb_entry(rbp, struct xfs_extent_busy, rb_node);
xfs_agblock_t bbno = busyp->bno;
xfs_agblock_t bend = bbno + busyp->length;
@ -331,7 +331,7 @@ restart:
continue;
}
if (!xfs_alloc_busy_update_extent(mp, pag, busyp, fbno, flen,
if (!xfs_extent_busy_update_extent(mp, pag, busyp, fbno, flen,
userdata))
goto restart;
}
@ -346,7 +346,7 @@ restart:
* code needs to force out the log and retry the allocation.
*/
STATIC void
xfs_alloc_busy_trim(
xfs_extent_busy_trim(
struct xfs_alloc_arg *args,
xfs_agblock_t bno,
xfs_extlen_t len,
@ -365,8 +365,8 @@ restart:
flen = len;
rbp = args->pag->pagb_tree.rb_node;
while (rbp && flen >= args->minlen) {
struct xfs_busy_extent *busyp =
rb_entry(rbp, struct xfs_busy_extent, rb_node);
struct xfs_extent_busy *busyp =
rb_entry(rbp, struct xfs_extent_busy, rb_node);
xfs_agblock_t fend = fbno + flen;
xfs_agblock_t bbno = busyp->bno;
xfs_agblock_t bend = bbno + busyp->length;
@ -384,8 +384,8 @@ restart:
* extent instead of trimming the allocation.
*/
if (!args->userdata &&
!(busyp->flags & XFS_ALLOC_BUSY_DISCARDED)) {
if (!xfs_alloc_busy_update_extent(args->mp, args->pag,
!(busyp->flags & XFS_EXTENT_BUSY_DISCARDED)) {
if (!xfs_extent_busy_update_extent(args->mp, args->pag,
busyp, fbno, flen,
false))
goto restart;
@ -517,7 +517,7 @@ restart:
spin_unlock(&args->pag->pagb_lock);
if (fbno != bno || flen != len) {
trace_xfs_alloc_busy_trim(args->mp, args->agno, bno, len,
trace_xfs_extent_busy_trim(args->mp, args->agno, bno, len,
fbno, flen);
}
*rbno = fbno;
@ -529,19 +529,19 @@ fail:
* re-check if the trimmed extent satisfies the minlen requirement.
*/
spin_unlock(&args->pag->pagb_lock);
trace_xfs_alloc_busy_trim(args->mp, args->agno, bno, len, fbno, 0);
trace_xfs_extent_busy_trim(args->mp, args->agno, bno, len, fbno, 0);
*rbno = fbno;
*rlen = 0;
}
static void
xfs_alloc_busy_clear_one(
STATIC void
xfs_extent_busy_clear_one(
struct xfs_mount *mp,
struct xfs_perag *pag,
struct xfs_busy_extent *busyp)
struct xfs_extent_busy *busyp)
{
if (busyp->length) {
trace_xfs_alloc_busy_clear(mp, busyp->agno, busyp->bno,
trace_xfs_extent_busy_clear(mp, busyp->agno, busyp->bno,
busyp->length);
rb_erase(&busyp->rb_node, &pag->pagb_tree);
}
@ -556,12 +556,12 @@ xfs_alloc_busy_clear_one(
* these as undergoing a discard operation instead.
*/
void
xfs_alloc_busy_clear(
xfs_extent_busy_clear(
struct xfs_mount *mp,
struct list_head *list,
bool do_discard)
{
struct xfs_busy_extent *busyp, *n;
struct xfs_extent_busy *busyp, *n;
struct xfs_perag *pag = NULL;
xfs_agnumber_t agno = NULLAGNUMBER;
@ -577,10 +577,10 @@ xfs_alloc_busy_clear(
}
if (do_discard && busyp->length &&
!(busyp->flags & XFS_ALLOC_BUSY_SKIP_DISCARD))
busyp->flags = XFS_ALLOC_BUSY_DISCARDED;
!(busyp->flags & XFS_EXTENT_BUSY_SKIP_DISCARD))
busyp->flags = XFS_EXTENT_BUSY_DISCARDED;
else
xfs_alloc_busy_clear_one(mp, pag, busyp);
xfs_extent_busy_clear_one(mp, pag, busyp);
}
if (pag) {
@ -593,11 +593,11 @@ xfs_alloc_busy_clear(
* Callback for list_sort to sort busy extents by the AG they reside in.
*/
int
xfs_alloc_busy_ag_cmp(
xfs_extent_busy_ag_cmp(
void *priv,
struct list_head *a,
struct list_head *b)
{
return container_of(a, struct xfs_busy_extent, list)->agno -
container_of(b, struct xfs_busy_extent, list)->agno;
return container_of(a, struct xfs_extent_busy, list)->agno -
container_of(b, struct xfs_extent_busy, list)->agno;
}

20
fs/xfs/xfs_extent_busy.h
View File

@ -27,39 +27,39 @@
* Note that we use the transaction ID to record the transaction, not the
* transaction structure itself. See xfs_extent_busy_insert() for details.
*/
struct xfs_busy_extent {
struct xfs_extent_busy {
struct rb_node rb_node; /* ag by-bno indexed search tree */
struct list_head list; /* transaction busy extent list */
xfs_agnumber_t agno;
xfs_agblock_t bno;
xfs_extlen_t length;
unsigned int flags;
#define XFS_ALLOC_BUSY_DISCARDED 0x01 /* undergoing a discard op. */
#define XFS_ALLOC_BUSY_SKIP_DISCARD 0x02 /* do not discard */
#define XFS_EXTENT_BUSY_DISCARDED 0x01 /* undergoing a discard op. */
#define XFS_EXTENT_BUSY_SKIP_DISCARD 0x02 /* do not discard */
};
void
xfs_alloc_busy_insert(struct xfs_trans *tp, xfs_agnumber_t agno,
xfs_extent_busy_insert(struct xfs_trans *tp, xfs_agnumber_t agno,
xfs_agblock_t bno, xfs_extlen_t len, unsigned int flags);
void
xfs_alloc_busy_clear(struct xfs_mount *mp, struct list_head *list,
xfs_extent_busy_clear(struct xfs_mount *mp, struct list_head *list,
bool do_discard);
int
xfs_alloc_busy_search(struct xfs_mount *mp, xfs_agnumber_t agno,
xfs_extent_busy_search(struct xfs_mount *mp, xfs_agnumber_t agno,
xfs_agblock_t bno, xfs_extlen_t len);
void
xfs_alloc_busy_reuse(struct xfs_mount *mp, xfs_agnumber_t agno,
xfs_extent_busy_reuse(struct xfs_mount *mp, xfs_agnumber_t agno,
xfs_agblock_t fbno, xfs_extlen_t flen, bool userdata);
int
xfs_alloc_busy_ag_cmp(void *priv, struct list_head *a, struct list_head *b);
xfs_extent_busy_ag_cmp(void *priv, struct list_head *a, struct list_head *b);
static inline void xfs_alloc_busy_sort(struct list_head *list)
static inline void xfs_extent_busy_sort(struct list_head *list)
{
list_sort(NULL, list, xfs_alloc_busy_ag_cmp);
list_sort(NULL, list, xfs_extent_busy_ag_cmp);
}
#endif /* __XFS_EXTENT_BUSY_H__ */

6
fs/xfs/xfs_log_cil.c
View File

@ -338,8 +338,8 @@ xlog_cil_committed(
xfs_trans_committed_bulk(ctx->cil->xc_log->l_ailp, ctx->lv_chain,
ctx->start_lsn, abort);
xfs_alloc_busy_sort(&ctx->busy_extents);
xfs_alloc_busy_clear(mp, &ctx->busy_extents,
xfs_extent_busy_sort(&ctx->busy_extents);
xfs_extent_busy_clear(mp, &ctx->busy_extents,
(mp->m_flags & XFS_MOUNT_DISCARD) && !abort);
spin_lock(&ctx->cil->xc_cil_lock);
@ -352,7 +352,7 @@ xlog_cil_committed(
ASSERT(mp->m_flags & XFS_MOUNT_DISCARD);
xfs_discard_extents(mp, &ctx->busy_extents);
xfs_alloc_busy_clear(mp, &ctx->busy_extents, false);
xfs_extent_busy_clear(mp, &ctx->busy_extents, false);
}
kmem_free(ctx);

16
fs/xfs/xfs_trace.h
View File

@ -1142,7 +1142,7 @@ TRACE_EVENT(xfs_bunmap,
);
DECLARE_EVENT_CLASS(xfs_busy_class,
DECLARE_EVENT_CLASS(xfs_extent_busy_class,
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
xfs_agblock_t agbno, xfs_extlen_t len),
TP_ARGS(mp, agno, agbno, len),
@ -1165,17 +1165,17 @@ DECLARE_EVENT_CLASS(xfs_busy_class,
__entry->len)
);
#define DEFINE_BUSY_EVENT(name) \
DEFINE_EVENT(xfs_busy_class, name, \
DEFINE_EVENT(xfs_extent_busy_class, name, \
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \
xfs_agblock_t agbno, xfs_extlen_t len), \
TP_ARGS(mp, agno, agbno, len))
DEFINE_BUSY_EVENT(xfs_alloc_busy);
DEFINE_BUSY_EVENT(xfs_alloc_busy_enomem);
DEFINE_BUSY_EVENT(xfs_alloc_busy_force);
DEFINE_BUSY_EVENT(xfs_alloc_busy_reuse);
DEFINE_BUSY_EVENT(xfs_alloc_busy_clear);
DEFINE_BUSY_EVENT(xfs_extent_busy);
DEFINE_BUSY_EVENT(xfs_extent_busy_enomem);
DEFINE_BUSY_EVENT(xfs_extent_busy_force);
DEFINE_BUSY_EVENT(xfs_extent_busy_reuse);
DEFINE_BUSY_EVENT(xfs_extent_busy_clear);
TRACE_EVENT(xfs_alloc_busy_trim,
TRACE_EVENT(xfs_extent_busy_trim,
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
xfs_agblock_t agbno, xfs_extlen_t len,
xfs_agblock_t tbno, xfs_extlen_t tlen),

4
fs/xfs/xfs_trans.c
View File

@ -608,8 +608,8 @@ STATIC void
xfs_trans_free(
struct xfs_trans *tp)
{
xfs_alloc_busy_sort(&tp->t_busy);
xfs_alloc_busy_clear(tp->t_mountp, &tp->t_busy, false);
xfs_extent_busy_sort(&tp->t_busy);
xfs_extent_busy_clear(tp->t_mountp, &tp->t_busy, false);
atomic_dec(&tp->t_mountp->m_active_trans);
xfs_trans_free_dqinfo(tp);