From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Extend the rmap update (RUI) log items with a new realtime flag that
indicates that the updates apply against the realtime rmapbt. We'll
wire up the actual rmap code later.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_log_format.h | 4 +++-
fs/xfs/libxfs/xfs_rmap.c | 17 ++++++++++-------
fs/xfs/libxfs/xfs_rmap.h | 1 +
fs/xfs/xfs_rmap_item.c | 4 +++-
fs/xfs/xfs_trans.h | 2 +-
fs/xfs/xfs_trans_rmap.c | 9 +++++++--
6 files changed, 25 insertions(+), 12 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h
index 8372e9b..73d3c65 100644
--- a/fs/xfs/libxfs/xfs_log_format.h
+++ b/fs/xfs/libxfs/xfs_log_format.h
@@ -647,11 +647,13 @@ struct xfs_map_extent {
#define XFS_RMAP_EXTENT_ATTR_FORK (1U << 31)
#define XFS_RMAP_EXTENT_BMBT_BLOCK (1U << 30)
#define XFS_RMAP_EXTENT_UNWRITTEN (1U << 29)
+#define XFS_RMAP_EXTENT_REALTIME (1U << 28)
#define XFS_RMAP_EXTENT_FLAGS (XFS_RMAP_EXTENT_TYPE_MASK | \
XFS_RMAP_EXTENT_ATTR_FORK | \
XFS_RMAP_EXTENT_BMBT_BLOCK | \
- XFS_RMAP_EXTENT_UNWRITTEN)
+ XFS_RMAP_EXTENT_UNWRITTEN | \
+ XFS_RMAP_EXTENT_REALTIME)
/*
* This is the structure used to lay out an rui log item in the
diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c
index bf63a25..efcd63d 100644
--- a/fs/xfs/libxfs/xfs_rmap.c
+++ b/fs/xfs/libxfs/xfs_rmap.c
@@ -2246,11 +2246,13 @@ __xfs_rmap_add(
enum xfs_rmap_intent_type type,
uint64_t owner,
int whichfork,
- struct xfs_bmbt_irec *bmap)
+ struct xfs_bmbt_irec *bmap,
+ bool realtime)
{
struct xfs_rmap_intent *ri;
- trace_xfs_rmap_defer(mp, XFS_FSB_TO_AGNO(mp, bmap->br_startblock),
+ trace_xfs_rmap_defer(mp, realtime ? NULLAGNUMBER :
+ XFS_FSB_TO_AGNO(mp, bmap->br_startblock),
type,
XFS_FSB_TO_AGBNO(mp, bmap->br_startblock),
owner, whichfork,
@@ -2264,6 +2266,7 @@ __xfs_rmap_add(
ri->ri_owner = owner;
ri->ri_whichfork = whichfork;
ri->ri_bmap = *bmap;
+ ri->ri_realtime = realtime;
xfs_defer_add(dfops, XFS_DEFER_OPS_TYPE_RMAP, &ri->ri_list);
return 0;
@@ -2283,7 +2286,7 @@ xfs_rmap_map_extent(
return __xfs_rmap_add(mp, dfops, xfs_is_reflink_inode(ip) ?
XFS_RMAP_MAP_SHARED : XFS_RMAP_MAP, ip->i_ino,
- whichfork, PREV);
+ whichfork, PREV, XFS_IS_REALTIME_INODE(ip));
}
/* Unmap an extent out of a file. */
@@ -2300,7 +2303,7 @@ xfs_rmap_unmap_extent(
return __xfs_rmap_add(mp, dfops, xfs_is_reflink_inode(ip) ?
XFS_RMAP_UNMAP_SHARED : XFS_RMAP_UNMAP, ip->i_ino,
- whichfork, PREV);
+ whichfork, PREV, XFS_IS_REALTIME_INODE(ip));
}
/* Convert a data fork extent from unwritten to real or vice versa. */
@@ -2317,7 +2320,7 @@ xfs_rmap_convert_extent(
return __xfs_rmap_add(mp, dfops, xfs_is_reflink_inode(ip) ?
XFS_RMAP_CONVERT_SHARED : XFS_RMAP_CONVERT, ip->i_ino,
- whichfork, PREV);
+ whichfork, PREV, XFS_IS_REALTIME_INODE(ip));
}
/* Schedule the creation of an rmap for non-file data. */
@@ -2341,7 +2344,7 @@ xfs_rmap_alloc_extent(
bmap.br_state = XFS_EXT_NORM;
return __xfs_rmap_add(mp, dfops, XFS_RMAP_ALLOC, owner,
- XFS_DATA_FORK, &bmap);
+ XFS_DATA_FORK, &bmap, false);
}
/* Schedule the deletion of an rmap for non-file data. */
@@ -2365,7 +2368,7 @@ xfs_rmap_free_extent(
bmap.br_state = XFS_EXT_NORM;
return __xfs_rmap_add(mp, dfops, XFS_RMAP_FREE, owner,
- XFS_DATA_FORK, &bmap);
+ XFS_DATA_FORK, &bmap, false);
}
/* Compare rmap records. Returns -1 if a < b, 1 if a > b, and 0 if equal. */
diff --git a/fs/xfs/libxfs/xfs_rmap.h b/fs/xfs/libxfs/xfs_rmap.h
index 8b1791e..1e58e02 100644
--- a/fs/xfs/libxfs/xfs_rmap.h
+++ b/fs/xfs/libxfs/xfs_rmap.h
@@ -182,6 +182,7 @@ struct xfs_rmap_intent {
uint64_t ri_owner;
int ri_whichfork;
struct xfs_bmbt_irec ri_bmap;
+ bool ri_realtime;
};
/* functions for updating the rmapbt based on bmbt map/unmap operations */
diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
index f3b139c..13490b5 100644
--- a/fs/xfs/xfs_rmap_item.c
+++ b/fs/xfs/xfs_rmap_item.c
@@ -428,6 +428,7 @@ xfs_rui_recover(
xfs_exntst_t state;
struct xfs_trans *tp;
struct xfs_btree_cur *rcur = NULL;
+ bool rt;
ASSERT(!test_bit(XFS_RUI_RECOVERED, &ruip->rui_flags));
@@ -481,6 +482,7 @@ xfs_rui_recover(
XFS_EXT_UNWRITTEN : XFS_EXT_NORM;
whichfork = (rmap->me_flags & XFS_RMAP_EXTENT_ATTR_FORK) ?
XFS_ATTR_FORK : XFS_DATA_FORK;
+ rt = !!(rmap->me_flags & XFS_RMAP_EXTENT_REALTIME);
switch (rmap->me_flags & XFS_RMAP_EXTENT_TYPE_MASK) {
case XFS_RMAP_EXTENT_MAP:
type = XFS_RMAP_MAP;
@@ -513,7 +515,7 @@ xfs_rui_recover(
error = xfs_trans_log_finish_rmap_update(tp, rudp, type,
rmap->me_owner, whichfork,
rmap->me_startoff, rmap->me_startblock,
- rmap->me_len, state, &rcur);
+ rmap->me_len, state, rt, &rcur);
if (error)
goto abort_error;
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 6bdad6f..cef1971 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -247,7 +247,7 @@ int xfs_trans_log_finish_rmap_update(struct xfs_trans *tp,
struct xfs_rud_log_item *rudp, enum xfs_rmap_intent_type type,
uint64_t owner, int whichfork, xfs_fileoff_t startoff,
xfs_fsblock_t startblock, xfs_filblks_t blockcount,
- xfs_exntst_t state, struct xfs_btree_cur **pcur);
+ xfs_exntst_t state, bool rt, struct xfs_btree_cur **pcur);
/* refcount updates */
enum xfs_refcount_intent_type;
diff --git a/fs/xfs/xfs_trans_rmap.c b/fs/xfs/xfs_trans_rmap.c
index 9b577be..aab0d31 100644
--- a/fs/xfs/xfs_trans_rmap.c
+++ b/fs/xfs/xfs_trans_rmap.c
@@ -37,13 +37,16 @@ xfs_trans_set_rmap_flags(
struct xfs_map_extent *rmap,
enum xfs_rmap_intent_type type,
int whichfork,
- xfs_exntst_t state)
+ xfs_exntst_t state,
+ bool rt)
{
rmap->me_flags = 0;
if (state == XFS_EXT_UNWRITTEN)
rmap->me_flags |= XFS_RMAP_EXTENT_UNWRITTEN;
if (whichfork == XFS_ATTR_FORK)
rmap->me_flags |= XFS_RMAP_EXTENT_ATTR_FORK;
+ if (rt)
+ rmap->me_flags |= XFS_RMAP_EXTENT_REALTIME;
switch (type) {
case XFS_RMAP_MAP:
rmap->me_flags |= XFS_RMAP_EXTENT_MAP;
@@ -102,6 +105,7 @@ xfs_trans_log_finish_rmap_update(
xfs_fsblock_t startblock,
xfs_filblks_t blockcount,
xfs_exntst_t state,
+ bool rt,
struct xfs_btree_cur **pcur)
{
int error;
@@ -190,7 +194,7 @@ xfs_rmap_update_log_item(
map->me_startoff = rmap->ri_bmap.br_startoff;
map->me_len = rmap->ri_bmap.br_blockcount;
xfs_trans_set_rmap_flags(map, rmap->ri_type, rmap->ri_whichfork,
- rmap->ri_bmap.br_state);
+ rmap->ri_bmap.br_state, rmap->ri_realtime);
}
/* Get an RUD so we can process all the deferred rmap updates. */
@@ -223,6 +227,7 @@ xfs_rmap_update_finish_item(
rmap->ri_bmap.br_startblock,
rmap->ri_bmap.br_blockcount,
rmap->ri_bmap.br_state,
+ rmap->ri_realtime,
(struct xfs_btree_cur **)state);
kmem_free(rmap);
return error;
--
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