From: Darrick J. Wong <djwong@xxxxxxxxxx>
Create transaction reservation types and block reservation helpers to
help us calculate transaction requirements. Right now the reservations
are the same as always; we're just separating the symbols for a future
patch.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_imeta.c | 20 ++++++++++++++++++++
fs/xfs/libxfs/xfs_imeta.h | 3 +++
fs/xfs/libxfs/xfs_trans_resv.c | 4 ++++
fs/xfs/libxfs/xfs_trans_resv.h | 2 ++
4 files changed, 29 insertions(+)
diff --git a/fs/xfs/libxfs/xfs_imeta.c b/fs/xfs/libxfs/xfs_imeta.c
index 0a1cd0c5c15b..f14b7892f50d 100644
--- a/fs/xfs/libxfs/xfs_imeta.c
+++ b/fs/xfs/libxfs/xfs_imeta.c
@@ -19,6 +19,10 @@
#include "xfs_inode.h"
#include "xfs_quota.h"
#include "xfs_ialloc.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_da_format.h"
+#include "xfs_da_btree.h"
+#include "xfs_trans_space.h"
/*
* Metadata Inode Number Management
@@ -436,3 +440,19 @@ xfs_imeta_mount(
{
return 0;
}
+
+/* Calculate the log block reservation to create a metadata inode. */
+unsigned int
+xfs_imeta_create_space_res(
+ struct xfs_mount *mp)
+{
+ return XFS_IALLOC_SPACE_RES(mp);
+}
+
+/* Calculate the log block reservation to unlink a metadata inode. */
+unsigned int
+xfs_imeta_unlink_space_res(
+ struct xfs_mount *mp)
+{
+ return XFS_REMOVE_SPACE_RES(mp);
+}
diff --git a/fs/xfs/libxfs/xfs_imeta.h b/fs/xfs/libxfs/xfs_imeta.h
index b535e19ff1a0..9d54cb0d7962 100644
--- a/fs/xfs/libxfs/xfs_imeta.h
+++ b/fs/xfs/libxfs/xfs_imeta.h
@@ -45,4 +45,7 @@ int xfs_imeta_start_update(struct xfs_mount *mp,
bool xfs_is_static_meta_ino(struct xfs_mount *mp, xfs_ino_t ino);
int xfs_imeta_mount(struct xfs_mount *mp);
+unsigned int xfs_imeta_create_space_res(struct xfs_mount *mp);
+unsigned int xfs_imeta_unlink_space_res(struct xfs_mount *mp);
+
#endif /* __XFS_IMETA_H__ */
diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c
index 5b2f27cbdb80..d2716184bd8f 100644
--- a/fs/xfs/libxfs/xfs_trans_resv.c
+++ b/fs/xfs/libxfs/xfs_trans_resv.c
@@ -1025,4 +1025,8 @@ xfs_trans_resv_calc(
resp->tr_itruncate.tr_logcount += logcount_adj;
resp->tr_write.tr_logcount += logcount_adj;
resp->tr_qm_dqalloc.tr_logcount += logcount_adj;
+
+ /* metadata inode creation and unlink */
+ resp->tr_imeta_create = resp->tr_create;
+ resp->tr_imeta_unlink = resp->tr_remove;
}
diff --git a/fs/xfs/libxfs/xfs_trans_resv.h b/fs/xfs/libxfs/xfs_trans_resv.h
index 0554b9d775d2..3836c5131b91 100644
--- a/fs/xfs/libxfs/xfs_trans_resv.h
+++ b/fs/xfs/libxfs/xfs_trans_resv.h
@@ -48,6 +48,8 @@ struct xfs_trans_resv {
struct xfs_trans_res tr_qm_dqalloc; /* allocate quota on disk */
struct xfs_trans_res tr_sb; /* modify superblock */
struct xfs_trans_res tr_fsyncts; /* update timestamps on fsync */
+ struct xfs_trans_res tr_imeta_create; /* create metadata inode */
+ struct xfs_trans_res tr_imeta_unlink; /* unlink metadata inode */
};
/* shorthand way of accessing reservation structure */
