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Backport #15468 to 2.2: Fix nfs_truncate_shares without /etc/exports.d #17993

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Merged
behlendorf merged 1 commit into from
Dec 9, 2025
+18 −0
Merged

Backport #15468 to 2.2: Fix nfs_truncate_shares without /etc/exports.d #17993

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18 changes: 18 additions & 0 deletions lib/libshare/os/linux/nfs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,7 @@


static boolean_t nfs_available(void);
static boolean_t exports_available(void);

typedef int (*nfs_shareopt_callback_t)(const char *opt, const char *value,
void *cookie);
Expand Down Expand Up @@ -539,6 +540,8 @@ nfs_commit_shares(void)
static void
nfs_truncate_shares(void)
{
if (!exports_available())
return;
nfs_reset_shares(ZFS_EXPORTS_LOCK, ZFS_EXPORTS_FILE);
}

Expand Down Expand Up @@ -566,3 +569,18 @@ nfs_available(void)

return (avail == 1);
}

static boolean_t
exports_available(void)
{
static int avail;

if (!avail) {
if (access(ZFS_EXPORTS_DIR, F_OK) != 0)
avail = -1;
else
avail = 1;
}

return (avail == 1);
}
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