diff options
| -rw-r--r-- | fs/xfs/xfs_bmap_item.c | 10 | ||||
| -rw-r--r-- | fs/xfs/xfs_bmap_item.h | 3 | ||||
| -rw-r--r-- | fs/xfs/xfs_buf_item.c | 19 | ||||
| -rw-r--r-- | fs/xfs/xfs_buf_item.h | 3 | ||||
| -rw-r--r-- | fs/xfs/xfs_extfree_item.c | 10 | ||||
| -rw-r--r-- | fs/xfs/xfs_extfree_item.h | 3 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_cil.c | 4 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_priv.h | 13 | ||||
| -rw-r--r-- | fs/xfs/xfs_refcount_item.c | 10 | ||||
| -rw-r--r-- | fs/xfs/xfs_refcount_item.h | 3 | ||||
| -rw-r--r-- | fs/xfs/xfs_rmap_item.c | 10 | ||||
| -rw-r--r-- | fs/xfs/xfs_rmap_item.h | 3 |
12 files changed, 88 insertions, 3 deletions
diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c index 3d52e9d7ad57..646c515ee355 100644 --- a/fs/xfs/xfs_bmap_item.c +++ b/fs/xfs/xfs_bmap_item.c @@ -77,6 +77,11 @@ xfs_bui_item_size( *nbytes += xfs_bui_log_format_sizeof(buip->bui_format.bui_nextents); } +unsigned int xfs_bui_log_space(unsigned int nr) +{ + return xlog_item_space(1, xfs_bui_log_format_sizeof(nr)); +} + /* * This is called to fill in the vector of log iovecs for the * given bui log item. We use only 1 iovec, and we point that @@ -168,6 +173,11 @@ xfs_bud_item_size( *nbytes += sizeof(struct xfs_bud_log_format); } +unsigned int xfs_bud_log_space(void) +{ + return xlog_item_space(1, sizeof(struct xfs_bud_log_format)); +} + /* * This is called to fill in the vector of log iovecs for the * given bud log item. We use only 1 iovec, and we point that diff --git a/fs/xfs/xfs_bmap_item.h b/fs/xfs/xfs_bmap_item.h index 6fee6a508343..b42fee06899d 100644 --- a/fs/xfs/xfs_bmap_item.h +++ b/fs/xfs/xfs_bmap_item.h @@ -72,4 +72,7 @@ struct xfs_bmap_intent; void xfs_bmap_defer_add(struct xfs_trans *tp, struct xfs_bmap_intent *bi); +unsigned int xfs_bui_log_space(unsigned int nr); +unsigned int xfs_bud_log_space(void); + #endif /* __XFS_BMAP_ITEM_H__ */ diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 19eb0b7a3e58..90139e0f3271 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -104,6 +104,25 @@ xfs_buf_item_size_segment( } /* + * Compute the worst case log item overhead for an invalidated buffer with the + * given map count and block size. + */ +unsigned int +xfs_buf_inval_log_space( + unsigned int map_count, + unsigned int blocksize) +{ + unsigned int chunks = DIV_ROUND_UP(blocksize, XFS_BLF_CHUNK); + unsigned int bitmap_size = DIV_ROUND_UP(chunks, NBWORD); + unsigned int ret = + offsetof(struct xfs_buf_log_format, blf_data_map) + + (bitmap_size * sizeof_field(struct xfs_buf_log_format, + blf_data_map[0])); + + return ret * map_count; +} + +/* * Return the number of log iovecs and space needed to log the given buf log * item. * diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h index 8cde85259a58..e10e324cd245 100644 --- a/fs/xfs/xfs_buf_item.h +++ b/fs/xfs/xfs_buf_item.h @@ -64,6 +64,9 @@ static inline void xfs_buf_dquot_iodone(struct xfs_buf *bp) void xfs_buf_iodone(struct xfs_buf *); bool xfs_buf_log_check_iovec(struct xfs_log_iovec *iovec); +unsigned int xfs_buf_inval_log_space(unsigned int map_count, + unsigned int blocksize); + extern struct kmem_cache *xfs_buf_item_cache; #endif /* __XFS_BUF_ITEM_H__ */ diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c index 777438b853da..d574f5f639fa 100644 --- a/fs/xfs/xfs_extfree_item.c +++ b/fs/xfs/xfs_extfree_item.c @@ -83,6 +83,11 @@ xfs_efi_item_size( *nbytes += xfs_efi_log_format_sizeof(efip->efi_format.efi_nextents); } +unsigned int xfs_efi_log_space(unsigned int nr) +{ + return xlog_item_space(1, xfs_efi_log_format_sizeof(nr)); +} + /* * This is called to fill in the vector of log iovecs for the * given efi log item. We use only 1 iovec, and we point that @@ -254,6 +259,11 @@ xfs_efd_item_size( *nbytes += xfs_efd_log_format_sizeof(efdp->efd_format.efd_nextents); } +unsigned int xfs_efd_log_space(unsigned int nr) +{ + return xlog_item_space(1, xfs_efd_log_format_sizeof(nr)); +} + /* * This is called to fill in the vector of log iovecs for the * given efd log item. We use only 1 iovec, and we point that diff --git a/fs/xfs/xfs_extfree_item.h b/fs/xfs/xfs_extfree_item.h index 41b7c4306079..c8402040410b 100644 --- a/fs/xfs/xfs_extfree_item.h +++ b/fs/xfs/xfs_extfree_item.h @@ -94,4 +94,7 @@ void xfs_extent_free_defer_add(struct xfs_trans *tp, struct xfs_extent_free_item *xefi, struct xfs_defer_pending **dfpp); +unsigned int xfs_efi_log_space(unsigned int nr); +unsigned int xfs_efd_log_space(unsigned int nr); + #endif /* __XFS_EXTFREE_ITEM_H__ */ diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index 1ca406ec1b40..f66d2d430e4f 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -309,9 +309,7 @@ xlog_cil_alloc_shadow_bufs( * Then round nbytes up to 64-bit alignment so that the initial * buffer alignment is easy to calculate and verify. */ - nbytes += niovecs * - (sizeof(uint64_t) + sizeof(struct xlog_op_header)); - nbytes = round_up(nbytes, sizeof(uint64_t)); + nbytes = xlog_item_space(niovecs, nbytes); /* * The data buffer needs to start 64-bit aligned, so round up diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index f3d78869e5e5..39a102cc1b43 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -698,4 +698,17 @@ xlog_kvmalloc( return p; } +/* + * Given a count of iovecs and space for a log item, compute the space we need + * in the log to store that data plus the log headers. + */ +static inline unsigned int +xlog_item_space( + unsigned int niovecs, + unsigned int nbytes) +{ + nbytes += niovecs * (sizeof(uint64_t) + sizeof(struct xlog_op_header)); + return round_up(nbytes, sizeof(uint64_t)); +} + #endif /* __XFS_LOG_PRIV_H__ */ diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c index fe2d7aab8554..076501123d89 100644 --- a/fs/xfs/xfs_refcount_item.c +++ b/fs/xfs/xfs_refcount_item.c @@ -78,6 +78,11 @@ xfs_cui_item_size( *nbytes += xfs_cui_log_format_sizeof(cuip->cui_format.cui_nextents); } +unsigned int xfs_cui_log_space(unsigned int nr) +{ + return xlog_item_space(1, xfs_cui_log_format_sizeof(nr)); +} + /* * This is called to fill in the vector of log iovecs for the * given cui log item. We use only 1 iovec, and we point that @@ -179,6 +184,11 @@ xfs_cud_item_size( *nbytes += sizeof(struct xfs_cud_log_format); } +unsigned int xfs_cud_log_space(void) +{ + return xlog_item_space(1, sizeof(struct xfs_cud_log_format)); +} + /* * This is called to fill in the vector of log iovecs for the * given cud log item. We use only 1 iovec, and we point that diff --git a/fs/xfs/xfs_refcount_item.h b/fs/xfs/xfs_refcount_item.h index bfee8f30c63c..0fc3f493342b 100644 --- a/fs/xfs/xfs_refcount_item.h +++ b/fs/xfs/xfs_refcount_item.h @@ -76,4 +76,7 @@ struct xfs_refcount_intent; void xfs_refcount_defer_add(struct xfs_trans *tp, struct xfs_refcount_intent *ri); +unsigned int xfs_cui_log_space(unsigned int nr); +unsigned int xfs_cud_log_space(void); + #endif /* __XFS_REFCOUNT_ITEM_H__ */ diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c index 89decffe76c8..c99700318ec2 100644 --- a/fs/xfs/xfs_rmap_item.c +++ b/fs/xfs/xfs_rmap_item.c @@ -77,6 +77,11 @@ xfs_rui_item_size( *nbytes += xfs_rui_log_format_sizeof(ruip->rui_format.rui_nextents); } +unsigned int xfs_rui_log_space(unsigned int nr) +{ + return xlog_item_space(1, xfs_rui_log_format_sizeof(nr)); +} + /* * This is called to fill in the vector of log iovecs for the * given rui log item. We use only 1 iovec, and we point that @@ -180,6 +185,11 @@ xfs_rud_item_size( *nbytes += sizeof(struct xfs_rud_log_format); } +unsigned int xfs_rud_log_space(void) +{ + return xlog_item_space(1, sizeof(struct xfs_rud_log_format)); +} + /* * This is called to fill in the vector of log iovecs for the * given rud log item. We use only 1 iovec, and we point that diff --git a/fs/xfs/xfs_rmap_item.h b/fs/xfs/xfs_rmap_item.h index 40d331555675..3a99f0117f2d 100644 --- a/fs/xfs/xfs_rmap_item.h +++ b/fs/xfs/xfs_rmap_item.h @@ -75,4 +75,7 @@ struct xfs_rmap_intent; void xfs_rmap_defer_add(struct xfs_trans *tp, struct xfs_rmap_intent *ri); +unsigned int xfs_rui_log_space(unsigned int nr); +unsigned int xfs_rud_log_space(void); + #endif /* __XFS_RMAP_ITEM_H__ */ |