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| author | Hyeongseok Kim <hyeongseok@gmail.com> | 2021-03-04 09:20:35 +0900 |
|---|---|---|
| committer | Namjae Jeon <namjae.jeon@samsung.com> | 2021-04-27 20:45:06 +0900 |
| commit | 654762df2ec7d61b05acc788afbffaba52d658fe (patch) | |
| tree | cd003a28a9c79d4bab576e743fc1dea11467ff0b /fs/exfat/exfat_fs.h | |
| parent | 5c2d728507299f84631ab8020d6f0f98f2cb8fc2 (diff) | |
exfat: add support ioctl and FITRIM function
Add FITRIM ioctl to enable discarding unused blocks while mounted.
As current exFAT doesn't have generic ioctl handler, add empty ioctl
function first, and add FITRIM handler.
Signed-off-by: Hyeongseok Kim <hyeongseok@gmail.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Diffstat (limited to 'fs/exfat/exfat_fs.h')
| -rw-r--r-- | fs/exfat/exfat_fs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index e05e0a3152c0..169d0b602f5e 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -412,6 +412,7 @@ int exfat_set_bitmap(struct inode *inode, unsigned int clu); void exfat_clear_bitmap(struct inode *inode, unsigned int clu, bool sync); unsigned int exfat_find_free_bitmap(struct super_block *sb, unsigned int clu); int exfat_count_used_clusters(struct super_block *sb, unsigned int *ret_count); +int exfat_trim_fs(struct inode *inode, struct fstrim_range *range); /* file.c */ extern const struct file_operations exfat_file_operations; @@ -423,6 +424,9 @@ int exfat_getattr(struct user_namespace *mnt_userns, const struct path *path, struct kstat *stat, unsigned int request_mask, unsigned int query_flags); int exfat_file_fsync(struct file *file, loff_t start, loff_t end, int datasync); +long exfat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); +long exfat_compat_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg); /* namei.c */ extern const struct dentry_operations exfat_dentry_ops; |