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authorRichard Weinberger <richard@nod.at>2015-03-24 15:47:38 +0100
committerRichard Weinberger <richard@nod.at>2015-04-13 21:01:07 +0200
commit0c9bd6365d0b278728359843b8303047ddedb831 (patch)
tree086abfcb95b657832d2e318ca5c3fa47822c8689 /fs/hostfs/hostfs.h
parenta98a6d864d3b84219a6ec6213b00c260fb52f9f4 (diff)
downloadlinux-0c9bd6365d0b278728359843b8303047ddedb831.tar.bz2
um: hostfs: Reduce number of syscalls in readdir
Currently hostfs issues every time a seekdir(), in fact it has to do this only upon the first call. Also telldir() can be omitted as we can obtain the directory offset from readdir(). Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'fs/hostfs/hostfs.h')
-rw-r--r--fs/hostfs/hostfs.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h
index 493262e43443..91e19f9dffe5 100644
--- a/fs/hostfs/hostfs.h
+++ b/fs/hostfs/hostfs.h
@@ -66,7 +66,8 @@ extern int stat_file(const char *path, struct hostfs_stat *p, int fd);
extern int access_file(char *path, int r, int w, int x);
extern int open_file(char *path, int r, int w, int append);
extern void *open_dir(char *path, int *err_out);
-extern char *read_dir(void *stream, unsigned long long *pos,
+extern void seek_dir(void *stream, unsigned long long pos);
+extern char *read_dir(void *stream, unsigned long long *pos_out,
unsigned long long *ino_out, int *len_out,
unsigned int *type_out);
extern void close_file(void *stream);