diff options
| author | James Morris <jmorris@namei.org> | 2009-02-06 11:01:45 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-02-06 11:01:45 +1100 |
| commit | cb5629b10d64a8006622ce3a52bc887d91057d69 (patch) | |
| tree | 7c06d8f30783115e3384721046258ce615b129c5 /fs/ocfs2/resize.c | |
| parent | 8920d5ad6ba74ae8ab020e90cc4d976980e68701 (diff) | |
| parent | f01d1d546abb2f4028b5299092f529eefb01253a (diff) | |
Merge branch 'master' into next
Conflicts:
fs/namei.c
Manually merged per:
diff --cc fs/namei.c
index 734f2b5,bbc15c2..0000000
--- a/fs/namei.c
+++ b/fs/namei.c
@@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char
nd->flags |= LOOKUP_CONTINUE;
err = exec_permission_lite(inode);
if (err == -EAGAIN)
- err = vfs_permission(nd, MAY_EXEC);
+ err = inode_permission(nd->path.dentry->d_inode,
+ MAY_EXEC);
+ if (!err)
+ err = ima_path_check(&nd->path, MAY_EXEC);
if (err)
break;
@@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc
flag &= ~O_TRUNC;
}
- error = vfs_permission(nd, acc_mode);
+ error = inode_permission(inode, acc_mode);
if (error)
return error;
+
- error = ima_path_check(&nd->path,
++ error = ima_path_check(path,
+ acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC));
+ if (error)
+ return error;
/*
* An append-only file must be opened in append mode for writing.
*/
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/ocfs2/resize.c')
| -rw-r--r-- | fs/ocfs2/resize.c | 76 |
1 files changed, 22 insertions, 54 deletions
diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index ffd48db229a..424adaa5f90 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -106,8 +106,8 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, mlog_entry("(new_clusters=%d, first_new_cluster = %u)\n", new_clusters, first_new_cluster); - ret = ocfs2_journal_access(handle, bm_inode, group_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_gd(handle, bm_inode, group_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out; @@ -141,8 +141,8 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, } /* update the inode accordingly. */ - ret = ocfs2_journal_access(handle, bm_inode, bm_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, bm_inode, bm_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out_rollback; @@ -314,6 +314,10 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters) fe = (struct ocfs2_dinode *)main_bm_bh->b_data; + /* main_bm_bh is validated by inode read inside ocfs2_inode_lock(), + * so any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); + if (le16_to_cpu(fe->id2.i_chain.cl_cpg) != ocfs2_group_bitmap_size(osb->sb) * 8) { mlog(ML_ERROR, "The disk is too old and small. " @@ -322,30 +326,18 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters) goto out_unlock; } - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(main_bm_inode->i_sb, fe); - ret = -EIO; - goto out_unlock; - } - first_new_cluster = le32_to_cpu(fe->i_clusters); lgd_blkno = ocfs2_which_cluster_group(main_bm_inode, first_new_cluster - 1); - ret = ocfs2_read_block(main_bm_inode, lgd_blkno, &group_bh); + ret = ocfs2_read_group_descriptor(main_bm_inode, fe, lgd_blkno, + &group_bh); if (ret < 0) { mlog_errno(ret); goto out_unlock; } - group = (struct ocfs2_group_desc *)group_bh->b_data; - ret = ocfs2_check_group_descriptor(inode->i_sb, fe, group); - if (ret) { - mlog_errno(ret); - goto out_unlock; - } - cl_bpc = le16_to_cpu(fe->id2.i_chain.cl_bpc); if (le16_to_cpu(group->bg_bits) / cl_bpc + new_clusters > le16_to_cpu(fe->id2.i_chain.cl_cpg)) { @@ -398,41 +390,16 @@ static int ocfs2_check_new_group(struct inode *inode, struct buffer_head *group_bh) { int ret; - struct ocfs2_group_desc *gd; + struct ocfs2_group_desc *gd = + (struct ocfs2_group_desc *)group_bh->b_data; u16 cl_bpc = le16_to_cpu(di->id2.i_chain.cl_bpc); - unsigned int max_bits = le16_to_cpu(di->id2.i_chain.cl_cpg) * - le16_to_cpu(di->id2.i_chain.cl_bpc); - - gd = (struct ocfs2_group_desc *)group_bh->b_data; + ret = ocfs2_check_group_descriptor(inode->i_sb, di, group_bh); + if (ret) + goto out; - ret = -EIO; - if (!OCFS2_IS_VALID_GROUP_DESC(gd)) - mlog(ML_ERROR, "Group descriptor # %llu isn't valid.\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno)); - else if (di->i_blkno != gd->bg_parent_dinode) - mlog(ML_ERROR, "Group descriptor # %llu has bad parent " - "pointer (%llu, expected %llu)\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - (unsigned long long)le64_to_cpu(gd->bg_parent_dinode), - (unsigned long long)le64_to_cpu(di->i_blkno)); - else if (le16_to_cpu(gd->bg_bits) > max_bits) - mlog(ML_ERROR, "Group descriptor # %llu has bit count of %u\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits)); - else if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits)) - mlog(ML_ERROR, "Group descriptor # %llu has bit count %u but " - "claims that %u are free\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits), - le16_to_cpu(gd->bg_free_bits_count)); - else if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size))) - mlog(ML_ERROR, "Group descriptor # %llu has bit count %u but " - "max bitmap bits of %u\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits), - 8 * le16_to_cpu(gd->bg_size)); - else if (le16_to_cpu(gd->bg_chain) != input->chain) + ret = -EINVAL; + if (le16_to_cpu(gd->bg_chain) != input->chain) mlog(ML_ERROR, "Group descriptor # %llu has bad chain %u " "while input has %u set.\n", (unsigned long long)le64_to_cpu(gd->bg_blkno), @@ -451,6 +418,7 @@ static int ocfs2_check_new_group(struct inode *inode, else ret = 0; +out: return ret; } @@ -568,8 +536,8 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input) cl = &fe->id2.i_chain; cr = &cl->cl_recs[input->chain]; - ret = ocfs2_journal_access(handle, main_bm_inode, group_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_gd(handle, main_bm_inode, group_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out_commit; @@ -584,8 +552,8 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input) goto out_commit; } - ret = ocfs2_journal_access(handle, main_bm_inode, main_bm_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, main_bm_inode, main_bm_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out_commit; |