Author: fsu Date: Tue Apr 16 11:37:15 2019 New Revision: 346269 URL: https://svnweb.freebsd.org/changeset/base/346269
Log: ext2fs: Initial version of DTrace support. Commit forgotten file. Reviewed by: pfg, gnn MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D19848 Modified: head/sys/fs/ext2fs/ext2_extents.c Modified: head/sys/fs/ext2fs/ext2_extents.c ============================================================================== --- head/sys/fs/ext2fs/ext2_extents.c Tue Apr 16 11:30:41 2019 (r346268) +++ head/sys/fs/ext2fs/ext2_extents.c Tue Apr 16 11:37:15 2019 (r346269) @@ -37,6 +37,7 @@ #include <sys/bio.h> #include <sys/buf.h> #include <sys/conf.h> +#include <sys/sdt.h> #include <sys/stat.h> #include <fs/ext2fs/ext2_mount.h> @@ -46,9 +47,17 @@ #include <fs/ext2fs/ext2_extents.h> #include <fs/ext2fs/ext2_extern.h> +SDT_PROVIDER_DECLARE(ext2fs); +/* + * ext2fs trace probe: + * arg0: verbosity. Higher numbers give more verbose messages + * arg1: Textual message + */ +SDT_PROBE_DEFINE2(ext2fs, , trace, extents, "int", "char*"); + static MALLOC_DEFINE(M_EXT2EXTENTS, "ext2_extents", "EXT2 extents"); -#ifdef EXT2FS_DEBUG +#ifdef EXT2FS_PRINT_EXTENTS static void ext4_ext_print_extent(struct ext4_extent *ep) { @@ -230,22 +239,22 @@ ext4_ext_check_header(struct inode *ip, struct ext4_ex fs = ip->i_e2fs; if (eh->eh_magic != EXT4_EXT_MAGIC) { - error_msg = "invalid magic"; + error_msg = "header: invalid magic"; goto corrupted; } if (eh->eh_max == 0) { - error_msg = "invalid eh_max"; + error_msg = "header: invalid eh_max"; goto corrupted; } if (eh->eh_ecount > eh->eh_max) { - error_msg = "invalid eh_entries"; + error_msg = "header: invalid eh_entries"; goto corrupted; } return (0); corrupted: - ext2_fserr(fs, ip->i_uid, error_msg); + SDT_PROBE2(ext2fs, , trace, extents, 1, error_msg); return (EIO); } @@ -412,7 +421,7 @@ ext4_ext_find_extent(struct inode *ip, daddr_t block, ppos++; if (ppos > depth) { - ext2_fserr(fs, ip->i_uid, + SDT_PROBE2(ext2fs, , trace, extents, 1, "ppos > depth => extent corrupted"); error = EIO; brelse(bp); @@ -643,13 +652,13 @@ ext4_ext_insert_index(struct inode *ip, struct ext4_ex fs = ip->i_e2fs; if (lblk == path->ep_index->ei_blk) { - ext2_fserr(fs, ip->i_uid, + SDT_PROBE2(ext2fs, , trace, extents, 1, "lblk == index blk => extent corrupted"); return (EIO); } if (path->ep_header->eh_ecount >= path->ep_header->eh_max) { - ext2_fserr(fs, ip->i_uid, + SDT_PROBE2(ext2fs, , trace, extents, 1, "ecout > maxcount => extent corrupted"); return (EIO); } @@ -667,7 +676,7 @@ ext4_ext_insert_index(struct inode *ip, struct ext4_ex memmove(idx + 1, idx, len * sizeof(struct ext4_extent_index)); if (idx > EXT_MAX_INDEX(path->ep_header)) { - ext2_fserr(fs, ip->i_uid, + SDT_PROBE2(ext2fs, , trace, extents, 1, "index is out of range => extent corrupted"); return (EIO); } @@ -736,7 +745,7 @@ ext4_ext_split(struct inode *ip, struct ext4_extent_pa * We will split at current extent for now. */ if (path[depth].ep_ext > EXT_MAX_EXTENT(path[depth].ep_header)) { - ext2_fserr(fs, ip->i_uid, + SDT_PROBE2(ext2fs, , trace, extents, 1, "extent is out of range => extent corrupted"); return (EIO); } @@ -773,7 +782,7 @@ ext4_ext_split(struct inode *ip, struct ext4_extent_pa ex = EXT_FIRST_EXTENT(neh); if (path[depth].ep_header->eh_ecount != path[depth].ep_header->eh_max) { - ext2_fserr(fs, ip->i_uid, + SDT_PROBE2(ext2fs, , trace, extents, 1, "extents count out of range => extent corrupted"); error = EIO; goto cleanup; @@ -1362,7 +1371,7 @@ ext4_ext_rm_leaf(struct inode *ip, struct ext4_extent_ eh = path[depth].ep_header; if (!eh) { - ext2_fserr(ip->i_e2fs, ip->i_uid, + SDT_PROBE2(ext2fs, , trace, extents, 1, "bad header => extent corrupted"); return (EIO); } @@ -1449,7 +1458,8 @@ ext4_read_extent_tree_block(struct inode *ip, e4fs_dad eh = ext4_ext_block_header(bp->b_data); if (eh->eh_depth != depth) { - ext2_fserr(fs, ip->i_uid, "unexpected eh_depth"); + SDT_PROBE2(ext2fs, , trace, extents, 1, + "unexpected eh_depth"); goto err; } _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
