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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-01 08:04:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-01 08:04:12 -0700
commit149b306089b88e186942a8d6647028ae6683aaf9 (patch)
tree1b7436034261947bae3efad41c55a91a8ef0f68d /include/linux/buffer_head.h
parentb0ca4d0123608cfec73fc689c74295da89fc934e (diff)
parent0d606e2c9fccdd4e67febf1e2da500e1bfe9e045 (diff)
downloadlinux-149b306089b88e186942a8d6647028ae6683aaf9.tar.gz
Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o: "Mostly performance and bug fixes, plus some cleanups. The one new feature this merge window is a new ioctl EXT4_IOC_SWAP_BOOT which allows installation of a hidden inode designed for boot loaders." * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (50 commits) ext4: fix type-widening bug in inode table readahead code ext4: add check for inodes_count overflow in new resize ioctl ext4: fix Kconfig documentation for CONFIG_EXT4_DEBUG ext4: fix online resizing for ext3-compat file systems jbd2: trace when lock_buffer in do_get_write_access takes a long time ext4: mark metadata blocks using bh flags buffer: add BH_Prio and BH_Meta flags ext4: mark all metadata I/O with REQ_META ext4: fix readdir error in case inline_data+^dir_index. ext4: fix readdir error in the case of inline_data+dir_index jbd2: use kmem_cache_zalloc instead of kmem_cache_alloc/memset ext4: mext_insert_extents should update extent block checksum ext4: move quota initialization out of inode allocation transaction ext4: reserve xattr index for Rich ACL support jbd2: reduce journal_head size ext4: clear buffer_uninit flag when submitting IO ext4: use io_end for multiple bios ext4: make ext4_bio_write_page() use BH_Async_Write flags ext4: Use kstrtoul() instead of parse_strtoul() ext4: defragmentation code cleanup ...
Diffstat (limited to 'include/linux/buffer_head.h')
-rw-r--r--include/linux/buffer_head.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 4c16c4a88d47..9e52b0626b39 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -34,6 +34,8 @@ enum bh_state_bits {
BH_Write_EIO, /* I/O error on write */
BH_Unwritten, /* Buffer is allocated on disk but not written */
BH_Quiet, /* Buffer Error Prinks to be quiet */
+ BH_Meta, /* Buffer contains metadata */
+ BH_Prio, /* Buffer should be submitted with REQ_PRIO */
BH_PrivateStart,/* not a state bit, but the first bit available
* for private allocation by other entities
@@ -124,6 +126,8 @@ BUFFER_FNS(Delay, delay)
BUFFER_FNS(Boundary, boundary)
BUFFER_FNS(Write_EIO, write_io_error)
BUFFER_FNS(Unwritten, unwritten)
+BUFFER_FNS(Meta, meta)
+BUFFER_FNS(Prio, prio)
#define bh_offset(bh) ((unsigned long)(bh)->b_data & ~PAGE_MASK)