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Chris Mason 9473f16c75 Btrfs: Throttle for async bio submits higher up the chain ... The current code waits for the count of async bio submits to get below a given threshold if it is too high right after adding the latest bio to the work queue. This isn't optimal because the caller may have sequential adjacent bios pending they are waiting to send down the pipe. This changeset requires the caller to wait on the async bio count, and changes the async checksumming submits to wait for async bios any time they self throttle. The end result is much higher sequential throughput. Signed-off-by: Chris Mason <chris.mason@oracle.com>		17 years ago
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COPYING	…
INSTALL	…
Makefile	Switch btrfs_name_hash() to crc32c	17 years ago
TODO	…
acl.c	…
async-thread.c	Btrfs: Lower contention on the csum mutex	17 years ago
async-thread.h	Btrfs: Give all the worker threads descriptive names	17 years ago
bit-radix.c	…
bit-radix.h	…
btrfs_inode.h	Get rid of BTRFS_I(inode)->index and use local vars instead	17 years ago
compat.h	NFS support for btrfs - v3	17 years ago
crc32c.h	…
ctree.c	…
ctree.h	Btrfs: Rev the disk format	17 years ago
dir-item.c	…
disk-io.c	Btrfs: Throttle for async bio submits higher up the chain	17 years ago
disk-io.h	Btrfs: Wait for async bio submissions to make some progress at queue time	17 years ago
export.c	Clean up btrfs_get_parent() a little more, fix a free-after-free bug	17 years ago
export.h	NFS support for btrfs - v3	17 years ago
extent-tree.c	Btrfs: Discard sector data in __free_extent()	17 years ago
extent_io.c	Btrfs: Remove broken optimisations in end_bio functions.	17 years ago
extent_io.h	…
extent_map.c	Btrfs: Fix add_extent_mapping to check for duplicates across the whole range	17 years ago
extent_map.h	…
file-item.c	Btrfs: Lookup readpage checksums on bio submission again	17 years ago
file.c	…
hash.h	Switch btrfs_name_hash() to crc32c	17 years ago
inode-item.c	…
inode-map.c	…
inode.c	Btrfs: Optimise NFS readdir hack slightly; don't call readdir() again when done	17 years ago
ioctl.c	Btrfs: Fix nodatacow for the new data=ordered mode	17 years ago
ioctl.h	…
locking.c	…
locking.h	…
ordered-data.c	Btrfs: Fix nodatacow for the new data=ordered mode	17 years ago
ordered-data.h	Btrfs: Fix nodatacow for the new data=ordered mode	17 years ago
orphan.c	…
print-tree.c	…
print-tree.h	…
ref-cache.c	…
ref-cache.h	…
root-tree.c	…
struct-funcs.c	…
super.c	Btrfs: Reinstate '-osubvol=.' option to mount entire tree	17 years ago
sysfs.c	…
transaction.c	Btrfs: Wait for async bio submissions to make some progress at queue time	17 years ago
transaction.h	…
tree-defrag.c	…
version.sh	Btrfs: Update version.sh to v0.16	17 years ago
volumes.c	Btrfs: Throttle for async bio submits higher up the chain	17 years ago
volumes.h	…
xattr.c	…
xattr.h	…