ext2fs: Initial version of DTrace support.
Commit forgotten file. Reviewed by: pfg, gnn MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D19848
This commit is contained in:
parent
ebc94b66fe
commit
84b89556b4
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=346269
@ -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_extent_header *eh)
|
||||
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_extent_path *path,
|
||||
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_extent_path *path,
|
||||
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_path *path,
|
||||
* 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_path *path,
|
||||
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_path *path,
|
||||
|
||||
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_daddr_t pblk,
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user