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Searched refs:i_rwsem (Results 1 – 25 of 25) sorted by relevance

/linux/fs/netfs/
H A Dlocking.c62 __acquires(inode->i_rwsem) in netfs_start_io_read()
67 if (down_read_interruptible(&inode->i_rwsem) < 0) in netfs_start_io_read()
71 up_read(&inode->i_rwsem); in netfs_start_io_read()
74 if (down_write_killable(&inode->i_rwsem) < 0) in netfs_start_io_read()
77 up_write(&inode->i_rwsem); in netfs_start_io_read()
80 downgrade_write(&inode->i_rwsem); in netfs_start_io_read()
93 __releases(inode->i_rwsem) in netfs_end_io_read()
95 up_read(&inode->i_rwsem); in netfs_end_io_read()
107 __acquires(inode->i_rwsem) in netfs_start_io_write()
111 if (down_write_killable(&inode->i_rwsem) < 0) in netfs_start_io_write()
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/linux/fs/ceph/
H A Dio.c26 lockdep_assert_held_write(&inode->i_rwsem); in ceph_block_o_direct()
66 err = down_read_killable(&inode->i_rwsem); in ceph_start_io_read()
77 up_read(&inode->i_rwsem); in ceph_start_io_read()
80 err = down_write_killable(&inode->i_rwsem); in ceph_start_io_read()
85 downgrade_write(&inode->i_rwsem); in ceph_start_io_read()
100 up_read(&inode->i_rwsem); in ceph_end_io_read()
112 int err = down_write_killable(&inode->i_rwsem); in ceph_start_io_write()
128 up_write(&inode->i_rwsem); in ceph_end_io_write()
136 lockdep_assert_held_write(&inode->i_rwsem); in ceph_block_buffered()
178 err = down_read_killable(&inode->i_rwsem); in ceph_start_io_direct()
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/linux/Documentation/filesystems/
H A Ddirectory-locking.rst7 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
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H A Dlocking.rst101 ops i_rwsem(inode)
131 Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_rwsem
134 ->unlink() and ->rename() have ->i_rwsem exclusive on all non-directories
136 ->rename() has ->i_rwsem exclusive on any subdirectory that changes parent.
159 ops i_rwsem(inode)
274 ops folio locked i_rwsem invalidate_lock
500 ->iterate_shared() is called with i_rwsem held for reading, and with the
535 blocking changes through write(2) and similar operations inode->i_rwsem can be
H A Dvfs.rst625 (in this case with i_rwsem locked exclusive). If unset, then
631 i_rwsem exclusive. If unset, then fall back to f_op->ioctl().
693 Removing pages from an address_space requires holding the inode's i_rwsem
/linux/fs/orangefs/
H A Dfile.c329 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/Documentation/filesystems/iomap/
H A Doperations.rst104 ``i_rwsem`` or ``invalidate_lock`` and updates mapping information.
235 Callers commonly take ``i_rwsem`` in either shared or exclusive mode
278 Callers typically hold ``i_rwsem`` and ``invalidate_lock`` in exclusive
289 Callers typically hold ``i_rwsem`` and ``invalidate_lock`` in exclusive
302 Callers typically hold ``i_rwsem`` and ``invalidate_lock`` in exclusive
316 It does not lock ``i_rwsem`` or ``invalidate_lock``.
534 Callers commonly hold ``i_rwsem`` in shared mode before calling this
588 Callers commonly hold ``i_rwsem`` in shared or exclusive mode before
652 Callers commonly hold ``i_rwsem`` in shared mode before calling this
674 Callers commonly hold ``i_rwsem`` in exclusive mode before calling this
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/linux/fs/xfs/scrub/
H A Dxfile.c72 lockdep_set_class(&inode->i_rwsem, &xfile_i_mutex_key); in xfile_create()
98 lockdep_set_class(&inode->i_rwsem, &inode->i_sb->s_type->i_mutex_key); in xfile_destroy()
/linux/fs/xfs/
H A Dxfs_inode.c149 down_write_nested(&VFS_I(ip)->i_rwsem, in xfs_ilock()
152 down_read_nested(&VFS_I(ip)->i_rwsem, in xfs_ilock()
192 if (!down_write_trylock(&VFS_I(ip)->i_rwsem)) in xfs_ilock_nowait()
195 if (!down_read_trylock(&VFS_I(ip)->i_rwsem)) in xfs_ilock_nowait()
223 up_write(&VFS_I(ip)->i_rwsem); in xfs_ilock_nowait()
225 up_read(&VFS_I(ip)->i_rwsem); in xfs_ilock_nowait()
250 up_write(&VFS_I(ip)->i_rwsem); in xfs_iunlock()
252 up_read(&VFS_I(ip)->i_rwsem); in xfs_iunlock()
285 downgrade_write(&VFS_I(ip)->i_rwsem); in xfs_ilock_demote()
310 rwsem_assert_held(&VFS_I(ip)->i_rwsem); in xfs_assert_ilocked()
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H A Dxfs_iops.c1451 lockdep_set_class(&inode->i_rwsem, in xfs_setup_inode()
H A Dxfs_icache.c368 ASSERT(!rwsem_is_locked(&inode->i_rwsem)); in xfs_iget_recycle()
H A Dxfs_super.c764 ASSERT(!rwsem_is_locked(&inode->i_rwsem)); in xfs_fs_destroy_inode()
/linux/include/linux/
H A Dfs.h816 struct rw_semaphore i_rwsem; member
1024 down_write(&inode->i_rwsem); in inode_lock()
1029 return down_write_killable(&inode->i_rwsem); in inode_lock_killable()
1034 up_write(&inode->i_rwsem); in inode_unlock()
1039 down_read(&inode->i_rwsem); in inode_lock_shared()
1044 return down_read_killable(&inode->i_rwsem); in inode_lock_shared_killable()
1049 up_read(&inode->i_rwsem); in inode_unlock_shared()
1054 return down_write_trylock(&inode->i_rwsem); in inode_trylock()
1059 return down_read_trylock(&inode->i_rwsem); in inode_trylock_shared()
1064 return rwsem_is_locked(&inode->i_rwsem); in inode_is_locked()
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/linux/Documentation/translations/zh_CN/filesystems/
H A Dgfs2-glocks.rst111 1. i_rwsem（如需要）
/linux/fs/ext4/
H A Dfile.c368 lockdep_assert_held_write(&inode->i_rwsem); in ext4_handle_inode_extension()
394 lockdep_assert_held_write(&inode->i_rwsem); in ext4_inode_extension_cleanup()
H A Dxattr.c122 lockdep_set_subclass(&ea_inode->i_rwsem, 1); in ext4_xattr_inode_set_class()
/linux/lib/
H A Dtest_lockup.c548 lock_rwsem_ptr = (unsigned long)&test_inode->i_rwsem; in test_lockup_init()
/linux/fs/btrfs/
H A Dbtrfs_inode.h489 lockdep_assert_held(&inode->vfs_inode.i_rwsem); in btrfs_assert_inode_locked()
H A Dioctl.c4605 btrfs_lockdep_inode_acquire(inode, i_rwsem); in btrfs_uring_read_finished()
4721 btrfs_lockdep_inode_release(inode, i_rwsem); in btrfs_uring_read_extent()
5308 ret = down_read_interruptible(&vfs_inode->i_rwsem); in btrfs_ioctl_get_csums()
5532 up_read(&vfs_inode->i_rwsem); in btrfs_ioctl_get_csums()
H A Ddelayed-inode.c1765 downgrade_write(&inode->vfs_inode.i_rwsem); in btrfs_readdir_put_delayed_items()
/linux/fs/overlayfs/
H A Dinode.c834 lockdep_set_class(&inode->i_rwsem, &ovl_i_mutex_dir_key[depth]); in ovl_lockdep_annotate_inode_mutex_key()
836 lockdep_set_class(&inode->i_rwsem, &ovl_i_mutex_key[depth]); in ovl_lockdep_annotate_inode_mutex_key()
/linux/fs/afs/
H A Daddr_prefs.c392 lockdep_is_held(&file_inode(file)->i_rwsem)); in afs_proc_addr_prefs_write()
/linux/fs/
H A Ddax.c1766 lockdep_assert_held_write(&iomi.inode->i_rwsem); in dax_iomap_rw()
1769 lockdep_assert_held(&iomi.inode->i_rwsem); in dax_iomap_rw()
H A Dnamei.c2913 int ret = down_write_killable_nested(&dir->i_rwsem, in __start_dirop()
/linux/fs/smb/client/
H A Dinode.c3084 lockdep_assert_held_write(&inode->i_rwsem);