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Merge branch 'tt/misc' into dev

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This commit is contained in:
Theodore Ts'o 2019-11-19 12:25:42 -05:00
commit dfdeeb41fb
3 changed files with 32 additions and 15 deletions
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15
fs/ext4/inode.c
View File

@ -5580,8 +5580,23 @@ static int __ext4_expand_extra_isize(struct inode *inode,
{
struct ext4_inode *raw_inode;
struct ext4_xattr_ibody_header *header;
unsigned int inode_size = EXT4_INODE_SIZE(inode->i_sb);
struct ext4_inode_info *ei = EXT4_I(inode);
int error;
/* this was checked at iget time, but double check for good measure */
if ((EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize > inode_size) ||
(ei->i_extra_isize & 3)) {
EXT4_ERROR_INODE(inode, "bad extra_isize %u (inode size %u)",
ei->i_extra_isize,
EXT4_INODE_SIZE(inode->i_sb));
return -EFSCORRUPTED;
}
if ((new_extra_isize < ei->i_extra_isize) ||
(new_extra_isize < 4) ||
(new_extra_isize > inode_size - EXT4_GOOD_OLD_INODE_SIZE))
return -EINVAL; /* Should never happen */
raw_inode = ext4_raw_inode(iloc);
header = IHDR(inode, raw_inode);

11
fs/ext4/namei.c
View File

@ -3196,18 +3196,17 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
if (IS_DIRSYNC(dir))
ext4_handle_sync(handle);
if (inode->i_nlink == 0) {
ext4_warning_inode(inode, "Deleting file '%.*s' with no links",
dentry->d_name.len, dentry->d_name.name);
set_nlink(inode, 1);
}
retval = ext4_delete_entry(handle, dir, de, bh);
if (retval)
goto end_unlink;
dir->i_ctime = dir->i_mtime = current_time(dir);
ext4_update_dx_flag(dir);
ext4_mark_inode_dirty(handle, dir);
drop_nlink(inode);
if (inode->i_nlink == 0)
ext4_warning_inode(inode, "Deleting file '%.*s' with no links",
dentry->d_name.len, dentry->d_name.name);
else
drop_nlink(inode);
if (!inode->i_nlink)
ext4_orphan_add(handle, inode);
inode->i_ctime = current_time(inode);

21
fs/ext4/super.c
View File

@ -3544,12 +3544,15 @@ static void ext4_clamp_want_extra_isize(struct super_block *sb)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_super_block *es = sbi->s_es;
unsigned def_extra_isize = sizeof(struct ext4_inode) -
EXT4_GOOD_OLD_INODE_SIZE;
/* determine the minimum size of new large inodes, if present */
if (sbi->s_inode_size > EXT4_GOOD_OLD_INODE_SIZE &&
sbi->s_want_extra_isize == 0) {
sbi->s_want_extra_isize = sizeof(struct ext4_inode) -
EXT4_GOOD_OLD_INODE_SIZE;
if (sbi->s_inode_size == EXT4_GOOD_OLD_INODE_SIZE) {
sbi->s_want_extra_isize = 0;
return;
}
if (sbi->s_want_extra_isize < 4) {
sbi->s_want_extra_isize = def_extra_isize;
if (ext4_has_feature_extra_isize(sb)) {
if (sbi->s_want_extra_isize <
le16_to_cpu(es->s_want_extra_isize))
@ -3562,10 +3565,10 @@ static void ext4_clamp_want_extra_isize(struct super_block *sb)
}
}
/* Check if enough inode space is available */
if (EXT4_GOOD_OLD_INODE_SIZE + sbi->s_want_extra_isize >
sbi->s_inode_size) {
sbi->s_want_extra_isize = sizeof(struct ext4_inode) -
EXT4_GOOD_OLD_INODE_SIZE;
if ((sbi->s_want_extra_isize > sbi->s_inode_size) ||
(EXT4_GOOD_OLD_INODE_SIZE + sbi->s_want_extra_isize >
sbi->s_inode_size)) {
sbi->s_want_extra_isize = def_extra_isize;
ext4_msg(sb, KERN_INFO,
"required extra inode space not available");
}