kernel/linux.git/fs/nilfs2/super.c, branch linux-7.1.y

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-22T01:09:51+00:00

This was done entirely with mindless brute force, using git grep -l '\

treewide: Replace kmalloc with kmalloc_obj for non-scalar types

2026-02-21T09:02:28+00:00

This is the result of running the Coccinelle script from scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to avoid scalar types (which need careful case-by-case checking), and instead replace kmalloc-family calls that allocate struct or union object instances: Single allocations: kmalloc(sizeof(TYPE), ...) are replaced with: kmalloc_obj(TYPE, ...) Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...) are replaced with: kmalloc_objs(TYPE, COUNT, ...) Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...) are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...) (where TYPE may also be *VAR) The resulting allocations no longer return "void *", instead returning "TYPE *". Signed-off-by: Kees Cook

nilfs2: add missing return value kernel-doc descriptions

2025-01-25T06:47:25+00:00

There are a number of kernel-doc comments for functions that are missing return values, which also causes a number of warnings when the kernel-doc script is run with the "-Wall" option. Fix this issue by adding proper return value descriptions, and improve code maintainability. Link: https://lkml.kernel.org/r/20250110010530.21872-7-konishi.ryusuke@gmail.com Signed-off-by: Ryusuke Konishi Cc: "Brian G ." Signed-off-by: Andrew Morton

nilfs2: separate inode type information from i_state field

2024-09-02T03:43:43+00:00

In nilfs_iget_locked() and nilfs_ilookup(), which are used to find or obtain nilfs2 inodes, the nilfs_iget_args structure used to identify inodes has type information divided into multiple booleans, making type determination complicated. Simplify inode type determination by consolidating inode type information into an unsigned integer represented by a comibination of flags and by separating the type identification information for on-memory inodes from the i_state member in the nilfs_inode_info structure. Link: https://lkml.kernel.org/r/20240826174116.5008-4-konishi.ryusuke@gmail.com Signed-off-by: Ryusuke Konishi Cc: Huang Xiaojia Signed-off-by: Andrew Morton

nilfs2: add missing argument description for __nilfs_error()

2024-09-02T03:43:35+00:00

Patch series "This series fixes a number of formatting issues in kernel doc comments" This series fixes a number of formatting issues in kernel doc comments that were detected as warnings by the kernel-doc script, making violations more noticeable when adding or modifying kernel doc. There are still warnings output by "kernel-doc -Wall", but they are widespread, so I plan to fix them at another time while considering priorities. This patch (of 8): Add missing argument description to __nilfs_error function and remove the following warnings from kernel-doc script output: fs/nilfs2/super.c:121: warning: Function parameter or struct member 'sb' not described in '__nilfs_error' fs/nilfs2/super.c:121: warning: Function parameter or struct member 'function' not described in '__nilfs_error' fs/nilfs2/super.c:121: warning: Function parameter or struct member 'fmt' not described in '__nilfs_error' Link: https://lkml.kernel.org/r/20240816074319.3253-1-konishi.ryusuke@gmail.com Link: https://lkml.kernel.org/r/20240816074319.3253-2-konishi.ryusuke@gmail.com Signed-off-by: Ryusuke Konishi Signed-off-by: Andrew Morton

nilfs2: add support for FS_IOC_GETFSSYSFSPATH

2024-09-02T03:43:34+00:00

Use the standard helper super_set_sysfs_name_bdev() to give the sysfs subpath of the filesystem for the FS_IOC_GETFSSYSFSPATH ioctl. For nilfs2, it will output "nilfs2/". Link: https://lkml.kernel.org/r/20240815074408.5550-3-konishi.ryusuke@gmail.com Signed-off-by: Ryusuke Konishi Signed-off-by: Andrew Morton

nilfs2: add support for FS_IOC_GETUUID

2024-09-02T03:43:34+00:00

Patch series "nilfs2: add support for some common ioctls". This series adds support for common ioctls to nilfs2 for getting the volume UUID and the relative path of an FS instance within the sysfs namespace, and also implements ioctls for nilfs2 to get and set the volume label. This patch (of 2): Expose the UUID of a file system instance using the super_set_uuid helper and support the FS_IOC_GETUUID ioctl. Link: https://lkml.kernel.org/r/20240815074408.5550-1-konishi.ryusuke@gmail.com Link: https://lkml.kernel.org/r/20240815074408.5550-2-konishi.ryusuke@gmail.com Signed-off-by: Ryusuke Konishi Signed-off-by: Andrew Morton

nilfs2: convert to use the new mount API

2024-05-08T15:41:27+00:00

Convert nilfs2 to use the new mount API. [sandeen@redhat.com: v2] Link: https://lkml.kernel.org/r/33d078a7-9072-4d8e-a3a9-dec23d4191da@redhat.com Link: https://lkml.kernel.org/r/20240425190526.10905-1-konishi.ryusuke@gmail.com [konishi.ryusuke: fixed missing SB_RDONLY flag repair in nilfs_reconfigure] Link: https://lkml.kernel.org/r/33d078a7-9072-4d8e-a3a9-dec23d4191da@redhat.com Link: https://lkml.kernel.org/r/20240424182716.6024-1-konishi.ryusuke@gmail.com Signed-off-by: Eric Sandeen Signed-off-by: Ryusuke Konishi Signed-off-by: Andrew Morton

nilfs2: use div64_ul() instead of do_div()

2024-03-12T20:09:23+00:00

Fixes Coccinelle/coccicheck warnings reported by do_div.cocci. Compared to do_div(), div64_ul() does not implicitly cast the divisor and does not unnecessarily calculate the remainder. Link: https://lkml.kernel.org/r/20240229210456.63234-2-thorsten.blum@toblux.com Link: https://lkml.kernel.org/r/20240306142547.4612-1-konishi.ryusuke@gmail.com Signed-off-by: Thorsten Blum Signed-off-by: Ryusuke Konishi Signed-off-by: Andrew Morton

nilfs2: localize highmem mapping for checkpoint reading within cpfile

2024-02-22T23:38:53+00:00

Move the code for reading from a checkpoint entry that is performed in nilfs_attach_checkpoint() to the cpfile side, and make the page mapping local and temporary. And use kmap_local instead of kmap to access the checkpoint entry page. In order to load the ifile inode information included in the checkpoint entry within the inode lock section of nilfs_ifile_read(), the newly added checkpoint reading method nilfs_cpfile_read_checkpoint() is called indirectly via nilfs_ifile_read() instead of from nilfs_attach_checkpoint(). Link: https://lkml.kernel.org/r/20240122140202.6950-14-konishi.ryusuke@gmail.com Signed-off-by: Ryusuke Konishi Signed-off-by: Andrew Morton