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With user namespaces enabled building f2fs fails with:
CC fs/f2fs/acl.o
fs/f2fs/acl.c: In function ‘f2fs_acl_from_disk’:
fs/f2fs/acl.c:85:21: error: ‘struct posix_acl_entry’ has no member named ‘e_id’
make[2]: *** [fs/f2fs/acl.o] Error 1
make[2]: Target `__build' not remade because of errors.
e_id is a backwards compatibility field only used for file systems
that haven't been converted to use kuids and kgids. When the posix
acl tag field is neither ACL_USER nor ACL_GROUP assigning e_id is
unnecessary. Remove the assignment so f2fs will build with user
namespaces enabled.
Cc: Namjae Jeon <namjae.jeon@samsung.com>
Cc: Amit Sahrawat <a.sahrawat@samsung.com>
Acked-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
There exist two build failures reported by Randy Dunlap as follows.
(on i386)
a. (config-r8857)
ERROR: "f2fs_xattr_advise_handler" [fs/f2fs/f2fs.ko] undefined!
Key configs in (config-r8857) are as follows.
CONFIG_F2FS_FS=m
# CONFIG_F2FS_STAT_FS is not set
CONFIG_F2FS_FS_XATTR=y
# CONFIG_F2FS_FS_POSIX_ACL is not set
The error was occurred due to the function location that we made a mistake.
Recently we added a new functionality for users to indicate cold files
explicitly through xattr operations (i.e., f2fs_xattr_advise_handler).
This handler should have been added in xattr.c instead of acl.c in order
to avoid an undefined operation like in this case where XATTR is set and
ACL is not set.
b. (config-r8855)
fs/f2fs/file.c: In function 'f2fs_vm_page_mkwrite':
fs/f2fs/file.c:97:2: error: implicit declaration of function
'block_page_mkwrite_return'
Key config in (config-r8855) is CONFIG_BLOCK.
Obviously, f2fs works on top of the block device so that we should consider
carefully a sort of config dependencies.
The reason why this error was occurred was that f2fs_vm_page_mkwrite() calls
block_page_mkwrite_return() which is enalbed only if CONFIG_BLOCK is set.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
As pointed out by Randy Dunlap, this patch removes all usage of "/**" for comment
blocks. Instead, just use "/*".
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This implements xattr and acl functionalities.
- F2FS uses a node page to contain use extended attributes.
Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
