diff options
| author | Eric Biggers <ebiggers@google.com> | 2022-12-14 14:43:03 -0800 |
|---|---|---|
| committer | Eric Biggers <ebiggers@google.com> | 2023-01-01 15:46:48 -0800 |
| commit | 9642946c6c851ba954689f184b3370e3594b6b1a (patch) | |
| tree | 2ee4051f2fb36d041f2845bcd2427d3e3231e22e /include/linux/fsverity.h | |
| parent | 01d90c07a592b532c7a673dfd8baa6d6e496273d (diff) | |
| download | linux-9642946c6c851ba954689f184b3370e3594b6b1a.tar.gz linux-9642946c6c851ba954689f184b3370e3594b6b1a.tar.bz2 linux-9642946c6c851ba954689f184b3370e3594b6b1a.zip | |
fsverity: optimize fsverity_cleanup_inode() on non-verity files
Make fsverity_cleanup_inode() an inline function that checks for
non-NULL ->i_verity_info, then (if needed) calls
__fsverity_cleanup_inode() to do the real work. This reduces the
overhead on non-verity files.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Dave Chinner <dchinner@redhat.com>
Link: https://lore.kernel.org/r/20221214224304.145712-4-ebiggers@kernel.org
Diffstat (limited to 'include/linux/fsverity.h')
| -rw-r--r-- | include/linux/fsverity.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/linux/fsverity.h b/include/linux/fsverity.h index 84b498fff7ec..203f4962c54a 100644 --- a/include/linux/fsverity.h +++ b/include/linux/fsverity.h @@ -150,7 +150,19 @@ int fsverity_get_digest(struct inode *inode, int __fsverity_file_open(struct inode *inode, struct file *filp); int __fsverity_prepare_setattr(struct dentry *dentry, struct iattr *attr); -void fsverity_cleanup_inode(struct inode *inode); +void __fsverity_cleanup_inode(struct inode *inode); + +/** + * fsverity_cleanup_inode() - free the inode's verity info, if present + * @inode: an inode being evicted + * + * Filesystems must call this on inode eviction to free ->i_verity_info. + */ +static inline void fsverity_cleanup_inode(struct inode *inode) +{ + if (inode->i_verity_info) + __fsverity_cleanup_inode(inode); +} /* read_metadata.c */ |