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| author | Kevin Hilman <khilman@linaro.org> | 2015-08-14 09:36:42 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-08-14 09:36:42 -0700 |
| commit | 07818b5b1ba0f494a7255ab634bad2dd2b908ed0 (patch) | |
| tree | fb1045fb0f610b29c3a631bcd22df69ca095e241 /fs/ext4/migrate.c | |
| parent | 65fa7c7f66d9a33fe13e426f86b8bb8824334a92 (diff) | |
| parent | 78fb9f4236d9077fb343fb5a4e55fe27075e9a1d (diff) | |
Merge tag 'v3.10.86' into linux-linaro-lsk-v3.10lsk-v3.10-15.08
This is the 3.10.86 stable release
* tag 'v3.10.86': (132 commits)
Linux 3.10.86
efi: fix 32bit kernel boot failed problem using efi
iscsi-target: Fix iser explicit logout TX kthread leak
iscsi-target: Fix use-after-free during TPG session shutdown
vhost: actually track log eventfd file
rds: rds_ib_device.refcount overflow
xhci: prevent bus_suspend if SS port resuming in phase 1
xhci: report U3 when link is in resume state
xhci: Calculate old endpoints correctly on device reset
usb-storage: ignore ZTE MF 823 card reader in mode 0x1225
ata: pmp: add quirk for Marvell 4140 SATA PMP
blkcg: fix gendisk reference leak in blkg_conf_prep()
Input: usbtouchscreen - avoid unresponsive TSC-30 touch screen
tile: use free_bootmem_late() for initrd
md/raid1: fix test for 'was read error from last working device'.
mmc: sdhci-pxav3: fix platform_data is not initialized
mmc: sdhci-esdhc: Make 8BIT bus work
mac80211: clear subdir_stations when removing debugfs
st: null pointer dereference panic caused by use after kref_put by st_open
ALSA: hda - Fix MacBook Pro 5,2 quirk
...
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: |