diff options
| author | Kevin Hilman <khilman@linaro.org> | 2015-08-14 09:45:22 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-08-14 09:55:00 -0700 |
| commit | 4dddf720534a9a14fa9b048e7930dcc55b1b1e40 (patch) | |
| tree | 6dead0bf02a9c08038d3238b1599823a25d9e881 /fs/ext4/migrate.c | |
| parent | a93bdb5f55d343fb51892050ed49da9d476da18a (diff) | |
| parent | 07818b5b1ba0f494a7255ab634bad2dd2b908ed0 (diff) | |
Merge branch 'linux-linaro-lsk-v3.10' into linux-linaro-lsk-v3.10-androidlsk-v3.10-15.08-android
Conflicts:
fs/exec.c
Resolution summary:
Conflict between upstream/LTS commit 9eae8ac6ab40 (fs: take
i_mutex during prepare_binprm for set[ug]id executables) and
android commit 9d0ff694bc22 (sched: move no_new_privs into new
atomic flags). Resolution: move task_no_new_privs() usage into
new function created by upstream/LTS comit.
Diffstat (limited to 'fs/ext4/migrate.c')
| -rw-r--r-- | fs/ext4/migrate.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c index 49e8bdff9163..d19efab66cb6 100644 --- a/fs/ext4/migrate.c +++ b/fs/ext4/migrate.c @@ -616,6 +616,7 @@ int ext4_ind_migrate(struct inode *inode) struct ext4_inode_info *ei = EXT4_I(inode); struct ext4_extent *ex; unsigned int i, len; + ext4_lblk_t start, end; ext4_fsblk_t blk; handle_t *handle; int ret; @@ -629,6 +630,14 @@ int ext4_ind_migrate(struct inode *inode) EXT4_FEATURE_RO_COMPAT_BIGALLOC)) return -EOPNOTSUPP; + /* + * In order to get correct extent info, force all delayed allocation + * blocks to be allocated, otherwise delayed allocation blocks may not + * be reflected and bypass the checks on extent header. + */ + if (test_opt(inode->i_sb, DELALLOC)) + ext4_alloc_da_blocks(inode); + handle = ext4_journal_start(inode, EXT4_HT_MIGRATE, 1); if (IS_ERR(handle)) return PTR_ERR(handle); @@ -646,11 +655,13 @@ int ext4_ind_migrate(struct inode *inode) goto errout; } if (eh->eh_entries == 0) - blk = len = 0; + blk = len = start = end = 0; else { len = le16_to_cpu(ex->ee_len); blk = ext4_ext_pblock(ex); - if (len > EXT4_NDIR_BLOCKS) { + start = le32_to_cpu(ex->ee_block); + end = start + len - 1; + if (end >= EXT4_NDIR_BLOCKS) { ret = -EOPNOTSUPP; goto errout; } @@ -658,7 +669,7 @@ int ext4_ind_migrate(struct inode *inode) ext4_clear_inode_flag(inode, EXT4_INODE_EXTENTS); memset(ei->i_data, 0, sizeof(ei->i_data)); - for (i=0; i < len; i++) + for (i = start; i <= end; i++) ei->i_data[i] = cpu_to_le32(blk++); ext4_mark_inode_dirty(handle, inode); errout: |