24a2d90393
Pull f2fs update from Jaegeuk Kim: "In this round, we've mainly focused on performance tuning and critical bug fixes occurred in low-end devices. Sheng Yong introduced lost_found feature to keep missing files during recovery instead of thrashing them. We're preparing coming fsverity implementation. And, we've got more features to communicate with users for better performance. In low-end devices, some memory-related issues were fixed, and subtle race condtions and corner cases were addressed as well. Enhancements: - large nat bitmaps for more free node ids - add three block allocation policies to pass down write hints given by user - expose extension list to user and introduce hot file extension - tune small devices seamlessly for low-end devices - set readdir_ra by default - give more resources under gc_urgent mode regarding to discard and cleaning - introduce fsync_mode to enforce posix or not - nowait aio support - add lost_found feature to keep dangling inodes - reserve bits for future fsverity feature - add test_dummy_encryption for FBE Bug fixes: - don't use highmem for dentry pages - align memory boundary for bitops - truncate preallocated blocks in write errors - guarantee i_times on fsync call - clear CP_TRIMMED_FLAG correctly - prevent node chain loop during recovery - avoid data race between atomic write and background cleaning - avoid unnecessary selinux violation warnings on resgid option - GFP_NOFS to avoid deadlock in quota and read paths - fix f2fs_skip_inode_update to allow i_size recovery In addition to the above, there are several minor bug fixes and clean-ups" Cherry-pick from origin/upstream-f2fs-stable-linux-4.4.y:42bf67fc54f2fs: remain written times to update inode during fsync6cb5aa02bff2fs: make assignment of t->dentry_bitmap more readablea8d07f1f9cf2fs: truncate preallocated blocks in error case86444d6006f2fs: fix a wrong condition in f2fs_skip_inode_updatedb2188a687f2fs: reserve bits for fs-verityee2e74b3f0f2fs: Add a segment type check in inplace write0192e0a450f2fs: no need to initialize zero value for GFP_F2FS_ZERO49338842e9f2fs: don't track new nat entry in nat setd6a69d5e65f2fs: clean up with F2FS_BLK_ALIGN2c8834a7a2f2fs: check blkaddr more accuratly before issue a bio6ab573a9d9f2fs: Set GF_NOFS in read_cache_page_gfp while doing f2fs_quota_read7419dcb8bef2fs: introduce a new mount option test_dummy_encryption9321e22c03f2fs: introduce F2FS_FEATURE_LOST_FOUND feature8a57196158f2fs: release locks before return in f2fs_ioc_gc_range()739ace131cf2fs: align memory boundary for bitops4c55abe4f8f2fs: remove unneeded set_cold_node()30654507e0f2fs: add nowait aio supportd909e94106f2fs: wrap all options with f2fs_sb_info.mount_opt5738be52b3f2fs: Don't overwrite all types of node to keep node chain0bdeb167c8f2fs: introduce mount option for fsync mode6bc490f0eef2fs: fix to restore old mount option in ->remount_fs0c9c3e0344f2fs: wrap sb_rdonly with f2fs_readonly6c6611223af2fs: avoid selinux denial on CAP_SYS_RESOURCE076a6f32fef2fs: support hot file extension58edcdbca6f2fs: fix to avoid race in between atomic write and background GC1e0aeb0af9f2fs: do gc in greedy mode for whole range if gc_urgent mode is set10b2d001d6f2fs: issue discard aggressively in the gc_urgent modea5052f32b9f2fs: set readdir_ra by default1aa536a624f2fs: add auto tuning for small devices0ffdffc8f1f2fs: add mount option for segment allocation policyb798298912f2fs: don't stop GC if GC is contended766d232169f2fs: expose extension_list sysfs entry98b329de50f2fs: fix to set KEEP_SIZE bit in f2fs_zero_range4d409fa334f2fs: introduce sb_lock to make encrypt pwsalt update exclusive1f6bac14c1f2fs: remove redundant initialization of pointer 'p'946aefc754f2fs: flush cp pack except cp pack 2 page at firste5081a52acf2fs: clean up f2fs_sb_has_xxx functionsa292477154f2fs: remove redundant check of page type when submit bio190e64a819f2fs: fix to handle looped node chain during recovery889d980876f2fs: handle quota for orphan inodes92b12bb1a2f2fs: support passing down write hints to block layer with F2FS policy22fa74c2b0f2fs: support passing down write hints given by users to block layer180900373ef2fs: fix to clear CP_TRIMMED_FLAG0671fae134f2fs: support large nat bitmapeceb943d5df2fs: fix to check extent cache in f2fs_drop_extent_tree2e2a339c98f2fs: restrict inline_xattr_size configuration41dda11641f2fs: fix heap mode to reset it back39575737bbf2fs: fix potential corruption in area before F2FS_SUPER_OFFSET7e0e7995eefscrypt: fix build with pre-4.6 gcc versions31d3279a4ffscrypt: fix up fscrypt_fname_encrypted_size() for internal use82bec88856fscrypt: define fscrypt_fname_alloc_buffer() to be for presented names168a907828fscrypt: calculate NUL-padding length in one place only042ae9f4cffscrypt: move fscrypt_symlink_data to fscrypt_private.hf9550c24c2fscrypt: remove fscrypt_fname_usr_to_disk()7ac4756a24f2fs: switch to fscrypt_get_symlink()6b76f58e24f2fs: switch to fscrypt ->symlink() helper functionsfd457d2c4efscrypt: new helper function - fscrypt_get_symlink()a1cdacb7aefscrypt: new helper functions for ->symlink()7f43602f4dfscrypt: trim down fscrypt.h includesd9cadc11bdfscrypt: move fscrypt_is_dot_dotdot() to fs/crypto/fname.ce6fe930580fscrypt: move fscrypt_valid_enc_modes() to fscrypt_private.hefefa434f4fscrypt: move fscrypt_operations declaration to fscrypt_supp.h7ed178bc8afscrypt: split fscrypt_dummy_context_enabled() into supp/notsupp versions3f16e09dadfscrypt: move fscrypt_ctx declaration to fscrypt_supp.h8216a0b51afscrypt: move fscrypt_info_cachep declaration to fscrypt_private.hdfe0b3b1b6fscrypt: move fscrypt_control_page() to supp/notsupp headers3a2c791778fscrypt: move fscrypt_has_encryption_key() to supp/notsupp headers Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
#ifndef _UAPI_LINUX_FCNTL_H
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#define _UAPI_LINUX_FCNTL_H
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#include <asm/fcntl.h>
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#define F_SETLEASE (F_LINUX_SPECIFIC_BASE + 0)
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#define F_GETLEASE (F_LINUX_SPECIFIC_BASE + 1)
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/*
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* Cancel a blocking posix lock; internal use only until we expose an
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* asynchronous lock api to userspace:
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*/
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#define F_CANCELLK (F_LINUX_SPECIFIC_BASE + 5)
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/* Create a file descriptor with FD_CLOEXEC set. */
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#define F_DUPFD_CLOEXEC (F_LINUX_SPECIFIC_BASE + 6)
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/*
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* Request nofications on a directory.
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* See below for events that may be notified.
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*/
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#define F_NOTIFY (F_LINUX_SPECIFIC_BASE+2)
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/*
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* Set and get of pipe page size array
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*/
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#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
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#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
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/*
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* Set/Get seals
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*/
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#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
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#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
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/*
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* Types of seals
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*/
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#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
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#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
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#define F_SEAL_GROW 0x0004 /* prevent file from growing */
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#define F_SEAL_WRITE 0x0008 /* prevent writes */
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/* (1U << 31) is reserved for signed error codes */
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/*
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* Set/Get write life time hints. {GET,SET}_RW_HINT operate on the
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* underlying inode, while {GET,SET}_FILE_RW_HINT operate only on
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* the specific file.
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*/
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#define F_GET_RW_HINT (F_LINUX_SPECIFIC_BASE + 11)
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#define F_SET_RW_HINT (F_LINUX_SPECIFIC_BASE + 12)
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#define F_GET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 13)
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#define F_SET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 14)
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/*
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* Valid hint values for F_{GET,SET}_RW_HINT. 0 is "not set", or can be
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* used to clear any hints previously set.
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*/
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#define RWF_WRITE_LIFE_NOT_SET 0
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#define RWH_WRITE_LIFE_NONE 1
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#define RWH_WRITE_LIFE_SHORT 2
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#define RWH_WRITE_LIFE_MEDIUM 3
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#define RWH_WRITE_LIFE_LONG 4
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#define RWH_WRITE_LIFE_EXTREME 5
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/*
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* Types of directory notifications that may be requested.
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*/
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#define DN_ACCESS 0x00000001 /* File accessed */
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#define DN_MODIFY 0x00000002 /* File modified */
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#define DN_CREATE 0x00000004 /* File created */
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#define DN_DELETE 0x00000008 /* File removed */
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#define DN_RENAME 0x00000010 /* File renamed */
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#define DN_ATTRIB 0x00000020 /* File changed attibutes */
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#define DN_MULTISHOT 0x80000000 /* Don't remove notifier */
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#define AT_FDCWD -100 /* Special value used to indicate
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openat should use the current
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working directory. */
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#define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */
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#define AT_REMOVEDIR 0x200 /* Remove directory instead of
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unlinking file. */
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#define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */
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#define AT_NO_AUTOMOUNT 0x800 /* Suppress terminal automount traversal */
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#define AT_EMPTY_PATH 0x1000 /* Allow empty relative pathname */
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#endif /* _UAPI_LINUX_FCNTL_H */
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