diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/xfs/xfs_buf_item.c | 52 | ||||
-rw-r--r-- | fs/xfs/xfs_dquot_item.c | 22 | ||||
-rw-r--r-- | fs/xfs/xfs_extfree_item.c | 50 | ||||
-rw-r--r-- | fs/xfs/xfs_icreate_item.c | 9 | ||||
-rw-r--r-- | fs/xfs/xfs_inode_item.c | 53 | ||||
-rw-r--r-- | fs/xfs/xfs_log_cil.c | 10 | ||||
-rw-r--r-- | fs/xfs/xfs_trans.h | 3 |
7 files changed, 126 insertions, 73 deletions
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index bfc4e0c26fd3..9358504e4b68 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -39,6 +39,14 @@ static inline struct xfs_buf_log_item *BUF_ITEM(struct xfs_log_item *lip) STATIC void xfs_buf_do_callbacks(struct xfs_buf *bp); +static inline int +xfs_buf_log_format_size( + struct xfs_buf_log_format *blfp) +{ + return offsetof(struct xfs_buf_log_format, blf_data_map) + + (blfp->blf_map_size * sizeof(blfp->blf_data_map[0])); +} + /* * This returns the number of log iovecs needed to log the * given buf log item. @@ -49,25 +57,27 @@ STATIC void xfs_buf_do_callbacks(struct xfs_buf *bp); * * If the XFS_BLI_STALE flag has been set, then log nothing. */ -STATIC uint +STATIC void xfs_buf_item_size_segment( struct xfs_buf_log_item *bip, - struct xfs_buf_log_format *blfp) + struct xfs_buf_log_format *blfp, + int *nvecs, + int *nbytes) { struct xfs_buf *bp = bip->bli_buf; - uint nvecs; int next_bit; int last_bit; last_bit = xfs_next_bit(blfp->blf_data_map, blfp->blf_map_size, 0); if (last_bit == -1) - return 0; + return; /* * initial count for a dirty buffer is 2 vectors - the format structure * and the first dirty region. */ - nvecs = 2; + *nvecs += 2; + *nbytes += xfs_buf_log_format_size(blfp) + XFS_BLF_CHUNK; while (last_bit != -1) { /* @@ -87,18 +97,17 @@ xfs_buf_item_size_segment( break; } else if (next_bit != last_bit + 1) { last_bit = next_bit; - nvecs++; + (*nvecs)++; } else if (xfs_buf_offset(bp, next_bit * XFS_BLF_CHUNK) != (xfs_buf_offset(bp, last_bit * XFS_BLF_CHUNK) + XFS_BLF_CHUNK)) { last_bit = next_bit; - nvecs++; + (*nvecs)++; } else { last_bit++; } + *nbytes += XFS_BLF_CHUNK; } - - return nvecs; } /* @@ -118,12 +127,13 @@ xfs_buf_item_size_segment( * If the XFS_BLI_STALE flag has been set, then log nothing but the buf log * format structures. */ -STATIC uint +STATIC void xfs_buf_item_size( - struct xfs_log_item *lip) + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) { struct xfs_buf_log_item *bip = BUF_ITEM(lip); - uint nvecs; int i; ASSERT(atomic_read(&bip->bli_refcount) > 0); @@ -135,7 +145,11 @@ xfs_buf_item_size( */ trace_xfs_buf_item_size_stale(bip); ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL); - return bip->bli_format_count; + *nvecs += bip->bli_format_count; + for (i = 0; i < bip->bli_format_count; i++) { + *nbytes += xfs_buf_log_format_size(&bip->bli_formats[i]); + } + return; } ASSERT(bip->bli_flags & XFS_BLI_LOGGED); @@ -147,7 +161,8 @@ xfs_buf_item_size( * commit, so no vectors are used at all. */ trace_xfs_buf_item_size_ordered(bip); - return XFS_LOG_VEC_ORDERED; + *nvecs = XFS_LOG_VEC_ORDERED; + return; } /* @@ -159,13 +174,11 @@ xfs_buf_item_size( * count for the extra buf log format structure that will need to be * written. */ - nvecs = 0; for (i = 0; i < bip->bli_format_count; i++) { - nvecs += xfs_buf_item_size_segment(bip, &bip->bli_formats[i]); + xfs_buf_item_size_segment(bip, &bip->bli_formats[i], + nvecs, nbytes); } - trace_xfs_buf_item_size(bip); - return nvecs; } static struct xfs_log_iovec * @@ -192,8 +205,7 @@ xfs_buf_item_format_segment( * the actual size of the dirty bitmap rather than the size of the in * memory structure. */ - base_size = offsetof(struct xfs_buf_log_format, blf_data_map) + - (blfp->blf_map_size * sizeof(blfp->blf_data_map[0])); + base_size = xfs_buf_log_format_size(blfp); nvecs = 0; first_bit = xfs_next_bit(blfp->blf_data_map, blfp->blf_map_size, 0); diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c index f07a4365def6..60c6e1f12695 100644 --- a/fs/xfs/xfs_dquot_item.c +++ b/fs/xfs/xfs_dquot_item.c @@ -44,14 +44,15 @@ static inline struct xfs_dq_logitem *DQUOT_ITEM(struct xfs_log_item *lip) /* * returns the number of iovecs needed to log the given dquot item. */ -STATIC uint +STATIC void xfs_qm_dquot_logitem_size( - struct xfs_log_item *lip) + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) { - /* - * we need only two iovecs, one for the format, one for the real thing - */ - return 2; + *nvecs += 2; + *nbytes += sizeof(struct xfs_dq_logformat) + + sizeof(struct xfs_disk_dquot); } /* @@ -286,11 +287,14 @@ static inline struct xfs_qoff_logitem *QOFF_ITEM(struct xfs_log_item *lip) * We only need 1 iovec for an quotaoff item. It just logs the * quotaoff_log_format structure. */ -STATIC uint +STATIC void xfs_qm_qoff_logitem_size( - struct xfs_log_item *lip) + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) { - return 1; + *nvecs += 1; + *nbytes += sizeof(struct xfs_qoff_logitem); } /* diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c index 452920a3f03f..dc53e8febbbe 100644 --- a/fs/xfs/xfs_extfree_item.c +++ b/fs/xfs/xfs_extfree_item.c @@ -73,11 +73,22 @@ __xfs_efi_release( * We only need 1 iovec for an efi item. It just logs the efi_log_format * structure. */ -STATIC uint +static inline int +xfs_efi_item_sizeof( + struct xfs_efi_log_item *efip) +{ + return sizeof(struct xfs_efi_log_format) + + (efip->efi_format.efi_nextents - 1) * sizeof(xfs_extent_t); +} + +STATIC void xfs_efi_item_size( - struct xfs_log_item *lip) + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) { - return 1; + *nvecs += 1; + *nbytes += xfs_efi_item_sizeof(EFI_ITEM(lip)); } /* @@ -93,21 +104,17 @@ xfs_efi_item_format( struct xfs_log_iovec *log_vector) { struct xfs_efi_log_item *efip = EFI_ITEM(lip); - uint size; ASSERT(atomic_read(&efip->efi_next_extent) == efip->efi_format.efi_nextents); efip->efi_format.efi_type = XFS_LI_EFI; - - size = sizeof(xfs_efi_log_format_t); - size += (efip->efi_format.efi_nextents - 1) * sizeof(xfs_extent_t); efip->efi_format.efi_size = 1; log_vector->i_addr = &efip->efi_format; - log_vector->i_len = size; + log_vector->i_len = xfs_efi_item_sizeof(efip); log_vector->i_type = XLOG_REG_TYPE_EFI_FORMAT; - ASSERT(size >= sizeof(xfs_efi_log_format_t)); + ASSERT(log_vector->i_len >= sizeof(xfs_efi_log_format_t)); } @@ -333,11 +340,22 @@ xfs_efd_item_free(struct xfs_efd_log_item *efdp) * We only need 1 iovec for an efd item. It just logs the efd_log_format * structure. */ -STATIC uint +static inline int +xfs_efd_item_sizeof( + struct xfs_efd_log_item *efdp) +{ + return sizeof(xfs_efd_log_format_t) + + (efdp->efd_format.efd_nextents - 1) * sizeof(xfs_extent_t); +} + +STATIC void xfs_efd_item_size( - struct xfs_log_item *lip) + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) { - return 1; + *nvecs += 1; + *nbytes += xfs_efd_item_sizeof(EFD_ITEM(lip)); } /* @@ -353,20 +371,16 @@ xfs_efd_item_format( struct xfs_log_iovec *log_vector) { struct xfs_efd_log_item *efdp = EFD_ITEM(lip); - uint size; ASSERT(efdp->efd_next_extent == efdp->efd_format.efd_nextents); efdp->efd_format.efd_type = XFS_LI_EFD; - - size = sizeof(xfs_efd_log_format_t); - size += (efdp->efd_format.efd_nextents - 1) * sizeof(xfs_extent_t); efdp->efd_format.efd_size = 1; log_vector->i_addr = &efdp->efd_format; - log_vector->i_len = size; + log_vector->i_len = xfs_efd_item_sizeof(efdp); log_vector->i_type = XLOG_REG_TYPE_EFD_FORMAT; - ASSERT(size >= sizeof(xfs_efd_log_format_t)); + ASSERT(log_vector->i_len >= sizeof(xfs_efd_log_format_t)); } /* diff --git a/fs/xfs/xfs_icreate_item.c b/fs/xfs/xfs_icreate_item.c index 441a78a89901..5a5a593994d4 100644 --- a/fs/xfs/xfs_icreate_item.c +++ b/fs/xfs/xfs_icreate_item.c @@ -40,11 +40,14 @@ static inline struct xfs_icreate_item *ICR_ITEM(struct xfs_log_item *lip) * * We only need one iovec for the icreate log structure. */ -STATIC uint +STATIC void xfs_icreate_item_size( - struct xfs_log_item *lip) + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) { - return 1; + *nvecs += 1; + *nbytes += sizeof(struct xfs_icreate_log); } /* diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index f76ff52e43c0..378081109844 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -47,32 +47,44 @@ static inline struct xfs_inode_log_item *INODE_ITEM(struct xfs_log_item *lip) * inode core, and possibly one for the inode data/extents/b-tree root * and one for the inode attribute data/extents/b-tree root. */ -STATIC uint +STATIC void xfs_inode_item_size( - struct xfs_log_item *lip) + struct xfs_log_item *lip, + int *nvecs, + int *nbytes) { struct xfs_inode_log_item *iip = INODE_ITEM(lip); struct xfs_inode *ip = iip->ili_inode; - uint nvecs = 2; + + *nvecs += 2; + *nbytes += sizeof(struct xfs_inode_log_format) + + xfs_icdinode_size(ip->i_d.di_version); switch (ip->i_d.di_format) { case XFS_DINODE_FMT_EXTENTS: if ((iip->ili_fields & XFS_ILOG_DEXT) && ip->i_d.di_nextents > 0 && - ip->i_df.if_bytes > 0) - nvecs++; + ip->i_df.if_bytes > 0) { + /* worst case, doesn't subtract delalloc extents */ + *nbytes += XFS_IFORK_DSIZE(ip); + *nvecs += 1; + } break; case XFS_DINODE_FMT_BTREE: if ((iip->ili_fields & XFS_ILOG_DBROOT) && - ip->i_df.if_broot_bytes > 0) - nvecs++; + ip->i_df.if_broot_bytes > 0) { + *nbytes += ip->i_df.if_broot_bytes; + *nvecs += 1; + } break; case XFS_DINODE_FMT_LOCAL: if ((iip->ili_fields & XFS_ILOG_DDATA) && - ip->i_df.if_bytes > 0) - nvecs++; + ip->i_df.if_bytes > 0) { + *nbytes += roundup(ip->i_df.if_bytes, 4); + *nvecs += 1; + } break; case XFS_DINODE_FMT_DEV: @@ -85,7 +97,7 @@ xfs_inode_item_size( } if (!XFS_IFORK_Q(ip)) - return nvecs; + return; /* @@ -95,28 +107,33 @@ xfs_inode_item_size( case XFS_DINODE_FMT_EXTENTS: if ((iip->ili_fields & XFS_ILOG_AEXT) && ip->i_d.di_anextents > 0 && - ip->i_afp->if_bytes > 0) - nvecs++; + ip->i_afp->if_bytes > 0) { + /* worst case, doesn't subtract unused space */ + *nbytes += XFS_IFORK_ASIZE(ip); + *nvecs += 1; + } break; case XFS_DINODE_FMT_BTREE: if ((iip->ili_fields & XFS_ILOG_ABROOT) && - ip->i_afp->if_broot_bytes > 0) - nvecs++; + ip->i_afp->if_broot_bytes > 0) { + *nbytes += ip->i_afp->if_broot_bytes; + *nvecs += 1; + } break; case XFS_DINODE_FMT_LOCAL: if ((iip->ili_fields & XFS_ILOG_ADATA) && - ip->i_afp->if_bytes > 0) - nvecs++; + ip->i_afp->if_bytes > 0) { + *nbytes += roundup(ip->i_afp->if_bytes, 4); + *nvecs += 1; + } break; default: ASSERT(0); break; } - - return nvecs; } /* diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index 02b9cf3f8252..4e108720a789 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -122,19 +122,23 @@ xlog_cil_prepare_log_vecs( } list_for_each_entry(lidp, &tp->t_items, lid_trans) { + struct xfs_log_item *lip = lidp->lid_item; struct xfs_log_vec *new_lv; void *ptr; int index; int len = 0; - uint niovecs; + uint niovecs = 0; + uint nbytes = 0; bool ordered = false; /* Skip items which aren't dirty in this transaction. */ if (!(lidp->lid_flags & XFS_LID_DIRTY)) continue; + /* get number of vecs and size of data to be stored */ + lip->li_ops->iop_size(lip, &niovecs, &nbytes); + /* Skip items that do not have any vectors for writing */ - niovecs = IOP_SIZE(lidp->lid_item); if (!niovecs) continue; @@ -152,7 +156,7 @@ xlog_cil_prepare_log_vecs( niovecs * sizeof(struct xfs_log_iovec), KM_SLEEP|KM_NOFS); - new_lv->lv_item = lidp->lid_item; + new_lv->lv_item = lip; new_lv->lv_niovecs = niovecs; if (ordered) { /* track as an ordered logvec */ diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 7eb81ccd826d..97144ec230e2 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -67,7 +67,7 @@ typedef struct xfs_log_item { { XFS_LI_ABORTED, "ABORTED" } struct xfs_item_ops { - uint (*iop_size)(xfs_log_item_t *); + void (*iop_size)(xfs_log_item_t *, int *, int *); void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *); void (*iop_pin)(xfs_log_item_t *); void (*iop_unpin)(xfs_log_item_t *, int remove); @@ -77,7 +77,6 @@ struct xfs_item_ops { void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t); }; -#define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip) #define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp) #define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip) #define IOP_UNPIN(ip, remove) (*(ip)->li_ops->iop_unpin)(ip, remove) |