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fuse: export fuse_get_unique()

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virtio-fs will need unique IDs for FORGET requests from outside
fs/fuse/dev.c.  Make the symbol visible.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2018-06-22 13:48:30 +01:00 committed by Miklos Szeredi
parent 95a84cdb11
commit 79d96efffd
2 changed files with 7 additions and 1 deletions
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3
fs/fuse/dev.c
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@ -189,11 +189,12 @@ unsigned int fuse_len_args(unsigned int numargs, struct fuse_arg *args)
} }
EXPORT_SYMBOL_GPL(fuse_len_args); EXPORT_SYMBOL_GPL(fuse_len_args);
static u64 fuse_get_unique(struct fuse_iqueue *fiq) u64 fuse_get_unique(struct fuse_iqueue *fiq)
{ {
fiq->reqctr += FUSE_REQ_ID_STEP; fiq->reqctr += FUSE_REQ_ID_STEP;
return fiq->reqctr; return fiq->reqctr;
} }
EXPORT_SYMBOL_GPL(fuse_get_unique);
static unsigned int fuse_req_hash(u64 unique) static unsigned int fuse_req_hash(u64 unique)
{ {

5
fs/fuse/fuse_i.h
View file

@ -977,4 +977,9 @@ int fuse_readdir(struct file *file, struct dir_context *ctx);
*/ */
unsigned int fuse_len_args(unsigned int numargs, struct fuse_arg *args); unsigned int fuse_len_args(unsigned int numargs, struct fuse_arg *args);
/**
* Get the next unique ID for a request
*/
u64 fuse_get_unique(struct fuse_iqueue *fiq);
#endif /* _FS_FUSE_I_H */ #endif /* _FS_FUSE_I_H */