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linux: libshare/smb: cache smb_available

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Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13165
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наб 2022-04-17 15:00:15 +02:00 committed by Brian Behlendorf
parent 1ec9218faa
commit 086af23e68
1 changed files with 11 additions and 7 deletions
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18
lib/libshare/os/linux/smb.c
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@ -378,14 +378,18 @@ const sa_fstype_t libshare_smb_type = {
static boolean_t static boolean_t
smb_available(void) smb_available(void)
{ {
struct stat statbuf; static int avail;
if (lstat(SHARE_DIR, &statbuf) != 0 || if (!avail) {
!S_ISDIR(statbuf.st_mode)) struct stat statbuf;
return (B_FALSE);
if (access(NET_CMD_PATH, F_OK) != 0) if (access(NET_CMD_PATH, F_OK) != 0 ||
return (B_FALSE); lstat(SHARE_DIR, &statbuf) != 0 ||
!S_ISDIR(statbuf.st_mode))
avail = -1;
else
avail = 1;
}
return (B_TRUE); return (avail == 1);
} }