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In some cases xattr is too fragmented,
so we need to load it before writing.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
ntfs_set_ea can fail with NOSPC, so we don't need to
change mode in this situation.
Fixes xfstest generic/449
Fixes: be71b5cba2 ("fs/ntfs3: Add attrib operations")
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
For the readability and unity of the code, adjust the order
Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Right now in ntfs_save_wsl_perm we lock/unlock 4 times.
This commit fixes this situation.
We add "locked" argument to ntfs_set_ea.
Suggested-by: Kari Argillander <kari.argillander@gmail.com>
Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Apparently we need to maintain these functions with
ntfs_get_acl_ex and ntfs_set_acl_ex.
This commit fixes xfstest generic/099
Fixes: 95dd8b2c1e ("fs/ntfs3: Remove unnecessary functions")
Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
some memory leaks and panic. Also many minor fixes.
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Merge tag 'ntfs3_for_5.15' of git://github.com/Paragon-Software-Group/linux-ntfs3
Pull ntfs3 fixes from Konstantin Komarov:
"Use the new api for mounting as requested by Christoph.
Also fixed:
- some memory leaks and panic
- xfstests (tested on x86_64) generic/016 generic/021 generic/022
generic/041 generic/274 generic/423
- some typos, wrong returned error codes, dead code, etc"
* tag 'ntfs3_for_5.15' of git://github.com/Paragon-Software-Group/linux-ntfs3: (70 commits)
fs/ntfs3: Check for NULL pointers in ni_try_remove_attr_list
fs/ntfs3: Refactor ntfs_read_mft
fs/ntfs3: Refactor ni_parse_reparse
fs/ntfs3: Refactor ntfs_create_inode
fs/ntfs3: Refactor ntfs_readlink_hlp
fs/ntfs3: Rework ntfs_utf16_to_nls
fs/ntfs3: Fix memory leak if fill_super failed
fs/ntfs3: Keep prealloc for all types of files
fs/ntfs3: Remove unnecessary functions
fs/ntfs3: Forbid FALLOC_FL_PUNCH_HOLE for normal files
fs/ntfs3: Refactoring of ntfs_set_ea
fs/ntfs3: Remove locked argument in ntfs_set_ea
fs/ntfs3: Use available posix_acl_release instead of ntfs_posix_acl_release
fs/ntfs3: Check for NULL if ATTR_EA_INFO is incorrect
fs/ntfs3: Refactoring of ntfs_init_from_boot
fs/ntfs3: Reject mount if boot's cluster size < media sector size
fs/ntfs3: Refactoring lock in ntfs_init_acl
fs/ntfs3: Change posix_acl_equiv_mode to posix_acl_update_mode
fs/ntfs3: Pass flags to ntfs_set_ea in ntfs_set_acl_ex
fs/ntfs3: Refactor ntfs_get_acl_ex for better readability
...
We don't need ntfs_xattr_get_acl and ntfs_xattr_set_acl.
There are ntfs_get_acl_ex and ntfs_set_acl_ex.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Make code more readable.
Don't try to read zero bytes.
Add warning when size of exteneded attribute exceeds limit.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
We always need to lock now, because locks became smaller
(see d562e901f2
"fs/ntfs3: Move ni_lock_dir and ni_unlock into ntfs_create_inode").
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
We don't need to maintain ntfs_posix_acl_release.
Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
This is possible because of moving lock into ntfs_create_inode.
Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Right now ntfs3 uses posix_acl_equiv_mode instead of
posix_acl_update_mode like all other fs.
Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
In case of removing of xattr there must be XATTR_REPLACE flag and
zero length. We already check XATTR_REPLACE in ntfs_set_ea, so
now we pass XATTR_REPLACE to ntfs_set_ea.
Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
We can safely move set_cached_acl because it works with NULL acl too.
Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
This allows to wait only when it's requested.
It speeds up creation of hardlinks.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
We have lot of unnecessary headers in these files. Remove them so that
we help compiler a little bit.
Signed-off-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Rename mount option no_acs_rules to (no)acsrules. This allow us to use
possibility to mount with options noaclrules or aclrules.
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Use pointer to mount options. We want to do this because we will use new
mount api which will benefit that we have spi and mount options in
different allocations. When we remount we do not have to make whole new
spi it is enough that we will allocate just mount options.
Please note that we can do example remount lot cleaner but things will
change in next patch so this should be just functional.
Signed-off-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Merge NTFSv3 filesystem from Konstantin Komarov:
"This patch adds NTFS Read-Write driver to fs/ntfs3.
Having decades of expertise in commercial file systems development and
huge test coverage, we at Paragon Software GmbH want to make our
contribution to the Open Source Community by providing implementation
of NTFS Read-Write driver for the Linux Kernel.
This is fully functional NTFS Read-Write driver. Current version works
with NTFS (including v3.1) and normal/compressed/sparse files and
supports journal replaying.
We plan to support this version after the codebase once merged, and
add new features and fix bugs. For example, full journaling support
over JBD will be added in later updates"
Link: https://lore.kernel.org/lkml/20210729134943.778917-1-almaz.alexandrovich@paragon-software.com/
Link: https://lore.kernel.org/lkml/aa4aa155-b9b2-9099-b7a2-349d8d9d8fbd@paragon-software.com/
* git://github.com/Paragon-Software-Group/linux-ntfs3: (35 commits)
fs/ntfs3: Change how module init/info messages are displayed
fs/ntfs3: Remove GPL boilerplates from decompress lib files
fs/ntfs3: Remove unnecessary condition checking from ntfs_file_read_iter
fs/ntfs3: Fix integer overflow in ni_fiemap with fiemap_prep()
fs/ntfs3: Restyle comments to better align with kernel-doc
fs/ntfs3: Rework file operations
fs/ntfs3: Remove fat ioctl's from ntfs3 driver for now
fs/ntfs3: Restyle comments to better align with kernel-doc
fs/ntfs3: Fix error handling in indx_insert_into_root()
fs/ntfs3: Potential NULL dereference in hdr_find_split()
fs/ntfs3: Fix error code in indx_add_allocate()
fs/ntfs3: fix an error code in ntfs_get_acl_ex()
fs/ntfs3: add checks for allocation failure
fs/ntfs3: Use kcalloc/kmalloc_array over kzalloc/kmalloc
fs/ntfs3: Do not use driver own alloc wrappers
fs/ntfs3: Use kernel ALIGN macros over driver specific
fs/ntfs3: Restyle comment block in ni_parse_reparse()
fs/ntfs3: Remove unused including <linux/version.h>
fs/ntfs3: Fix fall-through warnings for Clang
fs/ntfs3: Fix one none utf8 char in source file
...
Rename now works "Add new name and remove old name".
"Remove old name and add new name" may result in bad inode
if we can't add new name and then can't restore (add) old name.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Capitalize comments and end with period for better reading.
Also function comments are now little more kernel-doc style. This way we
can easily convert them to kernel-doc style if we want. Note that these
are not yet complete with this style. Example function comments start
with /* and in kernel-doc style they start /**.
Use imperative mood in function descriptions.
Change words like ntfs -> NTFS, linux -> Linux.
Use "we" not "I" when commenting code.
Signed-off-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
The ntfs_get_ea() function returns negative error codes or on success
it returns the length. In the original code a zero length return was
treated as -ENODATA and results in a NULL return. But it should be
treated as an invalid length and result in an PTR_ERR(-EINVAL) return.
Fixes: be71b5cba2 ("fs/ntfs3: Add attrib operations")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Problem with these wrapper is that we cannot take off example GFP_NOFS
flag. It is not recomended use those in all places. Also if we change
one driver specific wrapper to kernel wrapper then it would look really
weird. People should be most familiar with kernel wrappers so let's just
use those ones.
Driver specific alloc wrapper also confuse some static analyzing tools,
good example is example kernels checkpatch tool. After we converter
these to kernel specific then warnings is showed.
Following Coccinelle script was used to automate changing.
virtual patch
@alloc depends on patch@
expression x;
expression y;
@@
(
- ntfs_malloc(x)
+ kmalloc(x, GFP_NOFS)
|
- ntfs_zalloc(x)
+ kzalloc(x, GFP_NOFS)
|
- ntfs_vmalloc(x)
+ kvmalloc(x, GFP_NOFS)
|
- ntfs_free(x)
+ kfree(x)
|
- ntfs_vfree(x)
+ kvfree(x)
|
- ntfs_memdup(x, y)
+ kmemdup(x, y, GFP_NOFS)
)
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
The static checkers (Smatch) were complaining because QuadAlign() was
buggy. If you try to align something higher than UINT_MAX it got
truncated to a u32.
Smatch warning was:
fs/ntfs3/attrib.c:383 attr_set_size_res()
warn: was expecting a 64 bit value instead of '~7'
So that this will not happen again we will change all these macros to
kernel made ones. This can also help some other static analyzing tools
to give us better warnings.
Patch was generated with Coccinelle script and after that some style
issue was hand fixed.
Coccinelle script:
virtual patch
@alloc depends on patch@
expression x;
@@
(
- #define QuadAlign(n) (((n) + 7u) & (~7u))
|
- QuadAlign(x)
+ ALIGN(x, 8)
|
- #define IsQuadAligned(n) (!((size_t)(n)&7u))
|
- IsQuadAligned(x)
+ IS_ALIGNED(x, 8)
|
- #define Quad2Align(n) (((n) + 15u) & (~15u))
|
- Quad2Align(x)
+ ALIGN(x, 16)
|
- #define IsQuad2Aligned(n) (!((size_t)(n)&15u))
|
- IsQuad2Aligned(x)
+ IS_ALIGNED(x, 16)
|
- #define Quad4Align(n) (((n) + 31u) & (~31u))
|
- Quad4Align(x)
+ ALIGN(x, 32)
|
- #define IsSizeTAligned(n) (!((size_t)(n) & (sizeof(size_t) - 1)))
|
- IsSizeTAligned(x)
+ IS_ALIGNED(x, sizeof(size_t))
|
- #define DwordAlign(n) (((n) + 3u) & (~3u))
|
- DwordAlign(x)
+ ALIGN(x, 4)
|
- #define IsDwordAligned(n) (!((size_t)(n)&3u))
|
- IsDwordAligned(x)
+ IS_ALIGNED(x, 4)
|
- #define WordAlign(n) (((n) + 1u) & (~1u))
|
- WordAlign(x)
+ ALIGN(x, 2)
|
- #define IsWordAligned(n) (!((size_t)(n)&1u))
|
- IsWordAligned(x)
+ IS_ALIGNED(x, 2)
|
)
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
