diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.c')
-rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 55 |
1 files changed, 51 insertions, 4 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 6af6f744fdd6..7df74c35d9f9 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -39,6 +39,7 @@ #include "xfs_health.h" #include "xfs_bmap_item.h" #include "xfs_symlink_remote.h" +#include "xfs_inode_util.h" struct kmem_cache *xfs_bmap_intent_cache; @@ -604,7 +605,7 @@ xfs_bmap_btree_to_extents( xfs_rmap_ino_bmbt_owner(&oinfo, ip->i_ino, whichfork); error = xfs_free_extent_later(cur->bc_tp, cbno, 1, &oinfo, - XFS_AG_RESV_NONE, false); + XFS_AG_RESV_NONE, 0); if (error) return error; @@ -5380,11 +5381,15 @@ xfs_bmap_del_extent_real( error = xfs_rtfree_blocks(tp, del->br_startblock, del->br_blockcount); } else { + unsigned int efi_flags = 0; + + if ((bflags & XFS_BMAPI_NODISCARD) || + del->br_state == XFS_EXT_UNWRITTEN) + efi_flags |= XFS_FREE_EXTENT_SKIP_DISCARD; + error = xfs_free_extent_later(tp, del->br_startblock, del->br_blockcount, NULL, - XFS_AG_RESV_NONE, - ((bflags & XFS_BMAPI_NODISCARD) || - del->br_state == XFS_EXT_UNWRITTEN)); + XFS_AG_RESV_NONE, efi_flags); } if (error) return error; @@ -6454,3 +6459,45 @@ xfs_bmap_query_all( return xfs_btree_query_all(cur, xfs_bmap_query_range_helper, &query); } + +/* Helper function to extract extent size hint from inode */ +xfs_extlen_t +xfs_get_extsz_hint( + struct xfs_inode *ip) +{ + /* + * No point in aligning allocations if we need to COW to actually + * write to them. + */ + if (xfs_is_always_cow_inode(ip)) + return 0; + if ((ip->i_diflags & XFS_DIFLAG_EXTSIZE) && ip->i_extsize) + return ip->i_extsize; + if (XFS_IS_REALTIME_INODE(ip) && + ip->i_mount->m_sb.sb_rextsize > 1) + return ip->i_mount->m_sb.sb_rextsize; + return 0; +} + +/* + * Helper function to extract CoW extent size hint from inode. + * Between the extent size hint and the CoW extent size hint, we + * return the greater of the two. If the value is zero (automatic), + * use the default size. + */ +xfs_extlen_t +xfs_get_cowextsz_hint( + struct xfs_inode *ip) +{ + xfs_extlen_t a, b; + + a = 0; + if (ip->i_diflags2 & XFS_DIFLAG2_COWEXTSIZE) + a = ip->i_cowextsize; + b = xfs_get_extsz_hint(ip); + + a = max(a, b); + if (a == 0) + return XFS_DEFAULT_COWEXTSZ_HINT; + return a; +} |