ext4: convert all EA inode iput() calls to ext4_put_ea_inode()

Convert all iput() calls on EA inodes in xattr code paths to use
ext4_put_ea_inode().  This establishes a uniform rule: every EA inode
reference release in ext4 xattr code goes through ext4_put_ea_inode(),
eliminating the need to analyze each call site individually for lock
safety.

Converted sites:

- ext4_xattr_inode_get() read path
- ext4_xattr_inode_inc_ref_all() main loop and cleanup path
- ext4_xattr_inode_dec_ref_all() error paths
- ext4_xattr_inode_create() error path
- ext4_xattr_inode_cache_find() mismatch path
- ext4_xattr_inode_lookup_create() out_err
- ext4_xattr_set_entry() old_ea_inode
- ext4_xattr_block_set() new block path, cleanup, and tmp_inode
- ext4_xattr_ibody_set() error and success paths
- ext4_xattr_delete_inode() quota loop

For most of these, iput_if_not_last() will succeed (the EA inode has
other references) making the overhead a single atomic operation.

Signed-off-by: Yun Zhou <yun.zhou@windriver.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Tested-by: syzbot@syzkaller.appspotmail.com
Link: https://patch.msgid.link/20260710030851.2791589-4-yun.zhou@windriver.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

0 files changed, 0 insertions, 0 deletions