tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
samples/vfs: check whether flag was raised
For string options the kernel will raise the corresponding flag only if
the string isn't empty. So check for the flag.
Link: https://lore.kernel.org/r/20250204-work-mnt_idmap-statmount-v2-3-007720f39f2e@kernel.org
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
+5
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+5
-4
samples/vfs/test-list-all-mounts.c
+5
-4
samples/vfs/test-list-all-mounts.c
···
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printf("mnt_id:\t\t%" PRIu64 "\nmnt_parent_id:\t%" PRIu64 "\nfs_type:\t%s\nmnt_root:\t%s\nmnt_point:\t%s\nmnt_opts:\t%s\n\n",
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(uint64_t)stmnt->mnt_id,
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(uint64_t)stmnt->mnt_parent_id,
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stmnt->str + stmnt->fs_type,
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stmnt->str + stmnt->mnt_root,
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stmnt->str + stmnt->mnt_point,
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stmnt->str + stmnt->mnt_opts);
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(stmnt->mask & STATMOUNT_FS_TYPE) ? stmnt->str + stmnt->fs_type : "",
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+
(stmnt->mask & STATMOUNT_MNT_ROOT) ? stmnt->str + stmnt->mnt_root : "",
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+
(stmnt->mask & STATMOUNT_MNT_POINT) ? stmnt->str + stmnt->mnt_point : "",
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+
(stmnt->mask & STATMOUNT_MNT_OPTS) ? stmnt->str + stmnt->mnt_opts : "");
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+
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free(stmnt);
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}
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}