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linux/fs/ceph
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David Howells ccfdf7cbb5 ceph: Provide a splice-read wrapper 
Provide a splice_read wrapper for Ceph.  This does the inode shutdown check
before proceeding and jumps to copy_splice_read() if the file has inline
data or is a synchronous file.

We try and get FILE_RD and either FILE_CACHE and/or FILE_LAZYIO caps and
hold them across filemap_splice_read().  If we fail to get FILE_CACHE or
FILE_LAZYIO capabilities, we use copy_splice_read() instead.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
cc: Christoph Hellwig <hch@lst.de>
cc: Al Viro <viro@zeniv.linux.org.uk>
cc: Jens Axboe <axboe@kernel.dk>
cc: Ilya Dryomov <idryomov@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: ceph-devel@vger.kernel.org
cc: linux-fsdevel@vger.kernel.org
cc: linux-block@vger.kernel.org
cc: linux-mm@kvack.org
Link: https://lore.kernel.org/r/20230522135018.2742245-17-dhowells@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-05-24 08:42:16 -06:00
..
acl.c fs: port acl to mnt_idmap 2023-01-19 09:24:28 +01:00
addr.c ceph: implement writeback livelock avoidance using page tagging 2023-04-30 12:37:28 +02:00
cache.c netfs: Fix gcc-12 warning by embedding vfs inode in netfs_i_context 2022-06-09 13:55:00 -07:00
cache.h netfs: Further cleanups after struct netfs_inode wrapper introduced 2022-06-10 20:55:21 +01:00
caps.c ceph: fix potential use-after-free bug when trimming caps 2023-04-30 12:37:28 +02:00
ceph_frag.c
debugfs.c ceph: fix potential use-after-free bug when trimming caps 2023-04-30 12:37:28 +02:00
dir.c ceph: pass ino# instead of old_dentry if it's disconnected 2023-04-30 12:37:28 +02:00
export.c ceph: fail the open_by_handle_at() if the dentry is being unlinked 2022-10-04 19:18:08 +02:00
file.c ceph: Provide a splice-read wrapper 2023-05-24 08:42:16 -06:00
inode.c fs.idmapped.v6.3 2023-02-20 11:53:11 -08:00
io.c ceph: fix kerneldoc copypasta over ceph_start_io_direct 2021-04-27 23:52:23 +02:00
io.h ceph: add buffered/direct exclusionary locking for reads and writes 2019-09-16 12:06:25 +02:00
ioctl.c ceph: remove useless session parameter for check_caps() 2022-12-12 19:15:39 +01:00
ioctl.h
Kconfig ceph: conversion to new fscache API 2022-01-11 22:13:01 +00:00
locks.c filelock: move file locking definitions to separate header file 2023-01-11 06:52:32 -05:00
Makefile ceph: add dentry lease metric support 2020-06-01 13:22:51 +02:00
mds_client.c ceph: pass ino# instead of old_dentry if it's disconnected 2023-04-30 12:37:28 +02:00
mds_client.h ceph: reorder fields in 'struct ceph_snapid_map' 2023-04-30 12:37:28 +02:00
mdsmap.c treewide: use get_random_u32_below() instead of deprecated function 2022-11-18 02:15:15 +01:00
metric.c ceph: include average/stdev r/w/m latency in mds metrics 2022-03-21 13:35:16 +01:00
metric.h ceph: include average/stdev r/w/m latency in mds metrics 2022-03-21 13:35:16 +01:00
quota.c ceph: fix statfs for subdir mounts 2022-05-25 20:45:14 +02:00
snap.c ceph: blocklist the kclient when receiving corrupted snap trace 2023-02-02 13:58:15 +01:00
strings.c ceph: add getvxattr op 2022-03-01 18:26:37 +01:00
super.c ceph: make f_bsize always equal to f_frsize 2022-08-03 00:54:13 +02:00
super.h ceph: fix potential use-after-free bug when trimming caps 2023-04-30 12:37:28 +02:00
util.c ceph: move net/ceph/ceph_fs.c to fs/ceph/util.c 2020-01-27 16:53:40 +01:00
xattr.c A few filesystem improvements, with a rather nasty use-after-free fix 2023-05-04 14:48:02 -07:00