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| author | Tahsin Erdogan <tahsin@google.com> | 2017-06-22 04:05:44 +0200 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2017-06-22 04:05:44 +0200 |
| commit | 9bb21cedda7cd69789e1f93d7d918f5ca48ba165 (patch) | |
| tree | 8b5023991731f6c1014543093a3dc7a983affd59 /fs/ext4 | |
| parent | ext4: ext4_xattr_value_same() should return false for external data (diff) | |
| download | linux-9bb21cedda7cd69789e1f93d7d918f5ca48ba165.tar.xz linux-9bb21cedda7cd69789e1f93d7d918f5ca48ba165.zip | |
ext4: fix ext4_xattr_make_inode_space() value size calculation
ext4_xattr_make_inode_space() is interested in calculating the inline
space used in an inode. When a xattr entry refers to an external inode
the value size indicates the external inode size, not the value size in
the inline area. Change the function to take this into account.
Signed-off-by: Tahsin Erdogan <tahsin@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/xattr.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 13b7fa4cbf16..2be891ffeda1 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -1745,9 +1745,10 @@ static int ext4_xattr_make_inode_space(handle_t *handle, struct inode *inode, last = IFIRST(header); /* Find the entry best suited to be pushed into EA block */ for (; !IS_LAST_ENTRY(last); last = EXT4_XATTR_NEXT(last)) { - total_size = - EXT4_XATTR_SIZE(le32_to_cpu(last->e_value_size)) + - EXT4_XATTR_LEN(last->e_name_len); + total_size = EXT4_XATTR_LEN(last->e_name_len); + if (!last->e_value_inum) + total_size += EXT4_XATTR_SIZE( + le32_to_cpu(last->e_value_size)); if (total_size <= bfree && total_size < min_total_size) { if (total_size + ifree < isize_diff) { @@ -1766,8 +1767,10 @@ static int ext4_xattr_make_inode_space(handle_t *handle, struct inode *inode, } entry_size = EXT4_XATTR_LEN(entry->e_name_len); - total_size = entry_size + - EXT4_XATTR_SIZE(le32_to_cpu(entry->e_value_size)); + total_size = entry_size; + if (!entry->e_value_inum) + total_size += EXT4_XATTR_SIZE( + le32_to_cpu(entry->e_value_size)); error = ext4_xattr_move_to_block(handle, inode, raw_inode, entry); if (error) |