/linux/fs/netfs/ |
H A D | locking.c | 69 __acquires(inode->i_rwsem) in netfs_start_io_read() 78 up_read(&inode->i_rwsem); in netfs_start_io_read() 84 up_write(&inode->i_rwsem); in netfs_start_io_read() 100 __releases(inode->i_rwsem) in netfs_end_io_read() 102 up_read(&inode->i_rwsem); in netfs_end_io_read() 114 __acquires(inode->i_rwsem) in netfs_start_io_write() 136 __releases(inode->i_rwsem) in netfs_end_io_write() 138 up_write(&inode->i_rwsem); in netfs_end_io_write() 179 __acquires(inode->i_rwsem) in netfs_start_io_direct() 189 up_read(&inode->i_rwsem); in netfs_start_io_direct() [all …]
|
/linux/fs/ceph/ |
H A D | io.c | 56 down_read(&inode->i_rwsem); in ceph_start_io_read() 59 up_read(&inode->i_rwsem); in ceph_start_io_read() 61 down_write(&inode->i_rwsem); in ceph_start_io_read() 63 downgrade_write(&inode->i_rwsem); in ceph_start_io_read() 76 up_read(&inode->i_rwsem); in ceph_end_io_read() 89 down_write(&inode->i_rwsem); in ceph_start_io_write() 103 up_write(&inode->i_rwsem); in ceph_end_io_write() 142 down_read(&inode->i_rwsem); in ceph_start_io_direct() 145 up_read(&inode->i_rwsem); in ceph_start_io_direct() 147 down_write(&inode->i_rwsem); in ceph_start_io_direct() [all …]
|
/linux/fs/nfs/ |
H A D | io.c | 47 down_read(&inode->i_rwsem); in nfs_start_io_read() 50 up_read(&inode->i_rwsem); in nfs_start_io_read() 52 down_write(&inode->i_rwsem); in nfs_start_io_read() 54 downgrade_write(&inode->i_rwsem); in nfs_start_io_read() 67 up_read(&inode->i_rwsem); in nfs_end_io_read() 80 down_write(&inode->i_rwsem); in nfs_start_io_write() 94 up_write(&inode->i_rwsem); in nfs_end_io_write() 127 down_read(&inode->i_rwsem); in nfs_start_io_direct() 130 up_read(&inode->i_rwsem); in nfs_start_io_direct() 132 down_write(&inode->i_rwsem); in nfs_start_io_direct() [all …]
|
/linux/Documentation/filesystems/ |
H A D | directory-locking.rst | 7 kinds of locks - per-inode (->i_rwsem) and per-filesystem 10 When taking the i_rwsem on multiple non-directory objects, we 140 * rank ->i_rwsem of non-directories on given filesystem in inode pointer 142 * put ->i_rwsem of all directories on a filesystem at the same rank, 143 lower than ->i_rwsem of any non-directory on the same filesystem. 144 * put ->s_vfs_rename_mutex at rank lower than that of any ->i_rwsem 152 2. ->i_rwsem of directories on that NFS filesystem, same rank for all 153 3. ->i_rwsem of non-directories on that filesystem, in order of 156 5. ->i_rwsem of directories on the local filesystem, same rank for all 157 6. ->i_rwsem of non-directories on local filesystem, in order of [all …]
|
H A D | locking.rst | 94 ops i_rwsem(inode) 123 Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_rwsem 126 ->unlink() and ->rename() have ->i_rwsem exclusive on all non-directories 128 ->rename() has ->i_rwsem exclusive on any subdirectory that changes parent. 151 ops i_rwsem(inode) 276 ops folio locked i_rwsem invalidate_lock 565 ->iterate_shared() is called with i_rwsem held for reading, and with the 600 blocking changes through write(2) and similar operations inode->i_rwsem can be
|
H A D | path-lookup.rst | 246 inode->i_rwsem 256 This has a complementary role to that of ``d_lock``: ``i_rwsem`` on a 259 dcache hold ``i_rwsem`` on the relevant directory inode and briefly take 262 memory pressure. This uses ``d_lock``, but ``i_rwsem`` plays no role. 276 to take, or not take, ``i_rwsem`` is one of the 280 name that is not yet in the dcache - the shared lock on ``i_rwsem`` will 287 ``i_rwsem``, a thread must call ``d_alloc_parallel()``. This allocates a 450 takes ``i_rwsem``, rechecks the cache, and then asks the filesystem 484 ``i_rwsem`` to exclude other changes while they validate and then 503 not always, take ``i_rwsem``, depending on what it finds. [all …]
|
H A D | gfs2-glocks.rst | 115 1. i_rwsem (if required)
|
/linux/fs/orangefs/ |
H A D | file.c | 329 down_read(&file_inode(iocb->ki_filp)->i_rwsem); in orangefs_file_read_iter() 336 up_read(&file_inode(iocb->ki_filp)->i_rwsem); in orangefs_file_read_iter() 349 down_read(&inode->i_rwsem); in orangefs_file_splice_read() 356 up_read(&inode->i_rwsem); in orangefs_file_splice_read()
|
/linux/fs/xfs/scrub/ |
H A D | xfile.c | 71 lockdep_set_class(&inode->i_rwsem, &xfile_i_mutex_key); in xfile_create() 97 lockdep_set_class(&inode->i_rwsem, &inode->i_sb->s_type->i_mutex_key); in xfile_destroy()
|
/linux/fs/ |
H A D | readdir.c | 55 up_read(&inode->i_rwsem); in wrap_directory_iterator() 56 down_write(&inode->i_rwsem); in wrap_directory_iterator() 69 downgrade_write(&inode->i_rwsem); in wrap_directory_iterator() 103 res = down_read_killable(&inode->i_rwsem); in iterate_dir()
|
H A D | inode.c | 198 init_rwsem(&inode->i_rwsem); in inode_init_always() 199 lockdep_set_class(&inode->i_rwsem, &sb->s_type->i_mutex_key); in inode_init_always() 1047 if (lockdep_match_class(&inode->i_rwsem, &type->i_mutex_key)) { in lockdep_annotate_inode_mutex_key() 1052 init_rwsem(&inode->i_rwsem); in lockdep_annotate_inode_mutex_key() 1053 lockdep_set_class(&inode->i_rwsem, in lockdep_annotate_inode_mutex_key()
|
H A D | dax.c | 1564 lockdep_assert_held_write(&iomi.inode->i_rwsem); in dax_iomap_rw() 1567 lockdep_assert_held(&iomi.inode->i_rwsem); in dax_iomap_rw()
|
/linux/fs/xfs/ |
H A D | xfs_inode.c | 190 down_write_nested(&VFS_I(ip)->i_rwsem, in xfs_ilock() 193 down_read_nested(&VFS_I(ip)->i_rwsem, in xfs_ilock() 233 if (!down_write_trylock(&VFS_I(ip)->i_rwsem)) in xfs_ilock_nowait() 236 if (!down_read_trylock(&VFS_I(ip)->i_rwsem)) in xfs_ilock_nowait() 264 up_write(&VFS_I(ip)->i_rwsem); in xfs_ilock_nowait() 266 up_read(&VFS_I(ip)->i_rwsem); in xfs_ilock_nowait() 291 up_write(&VFS_I(ip)->i_rwsem); in xfs_iunlock() 293 up_read(&VFS_I(ip)->i_rwsem); in xfs_iunlock() 326 downgrade_write(&VFS_I(ip)->i_rwsem); in xfs_ilock_demote() 351 rwsem_assert_held(&VFS_I(ip)->i_rwsem); in xfs_assert_ilocked() [all …]
|
H A D | xfs_buf_mem.c | 73 lockdep_set_class(&inode->i_rwsem, &xmbuf_i_mutex_key); in xmbuf_alloc()
|
H A D | xfs_iops.c | 1285 lockdep_set_class(&inode->i_rwsem, in xfs_setup_inode()
|
/linux/include/linux/ |
H A D | fs.h | 678 struct rw_semaphore i_rwsem; member 791 down_write(&inode->i_rwsem); in inode_lock() 796 up_write(&inode->i_rwsem); in inode_unlock() 801 down_read(&inode->i_rwsem); in inode_lock_shared() 806 up_read(&inode->i_rwsem); in inode_unlock_shared() 811 return down_write_trylock(&inode->i_rwsem); in inode_trylock() 816 return down_read_trylock(&inode->i_rwsem); in inode_trylock_shared() 821 return rwsem_is_locked(&inode->i_rwsem); in inode_is_locked() 826 down_write_nested(&inode->i_rwsem, subclass); in inode_lock_nested() 831 down_read_nested(&inode->i_rwsem, subclas in inode_lock_shared_nested() [all...] |
/linux/fs/configfs/ |
H A D | inode.c | 134 lockdep_set_class(&inode->i_rwsem, in configfs_set_inode_lock_class()
|
/linux/fs/ext4/ |
H A D | file.c | 313 lockdep_assert_held_write(&inode->i_rwsem); in ext4_handle_inode_extension() 339 lockdep_assert_held_write(&inode->i_rwsem); in ext4_inode_extension_cleanup()
|
/linux/lib/ |
H A D | test_lockup.c | 548 lock_rwsem_ptr = (unsigned long)&test_inode->i_rwsem; in test_lockup_init()
|
/linux/fs/overlayfs/ |
H A D | inode.c | 831 lockdep_set_class(&inode->i_rwsem, &ovl_i_mutex_dir_key[depth]); in ovl_lockdep_annotate_inode_mutex_key() 833 lockdep_set_class(&inode->i_rwsem, &ovl_i_mutex_key[depth]); in ovl_lockdep_annotate_inode_mutex_key()
|
H A D | readdir.c | 280 err = down_write_killable(&dir->d_inode->i_rwsem); in ovl_check_whiteouts()
|
/linux/fs/afs/ |
H A D | addr_prefs.c | 392 lockdep_is_held(&file_inode(file)->i_rwsem)); in afs_proc_addr_prefs_write()
|
/linux/fs/bcachefs/ |
H A D | fs.c | 504 lockdep_assert_held(&inode->v.i_rwsem); in bch2_link() 877 lockdep_assert_held(&inode->v.i_rwsem); in bch2_setattr()
|
H A D | fs-io-buffered.c | 762 lockdep_assert_held(&inode->v.i_rwsem); in bch2_write_end()
|
/linux/fs/ocfs2/ |
H A D | inode.c | 245 lockdep_set_class(&inode->i_rwsem, in ocfs2_init_locked_inode()
|