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Message-ID: <5266BA06.1060807@redhat.com>
Date: Tue, 22 Oct 2013 12:46:46 -0500
From: Eric Sandeen <sandeen@...hat.com>
To: ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] e2fsprogs: fix build w/o quota
On 10/18/13 11:07 AM, Eric Sandeen wrote:
> The next branch fails a few ways if quota isn't enabled;
> for starters, libquota build was turned off after commit
>
> 43075b4 quota: fix disabling quota, add quota tests
> because now we don't build libquota, but still depend on it.
Any thoughts on this? Would be super-great to have the git tree
buildable again. ;)
-Eric
> Using @QUOTA_CMT@ to comment out those libs fixes things
> as far as deps, but then all calls to quota functions fail,
> of course.
>
> So this is a very quick & dirty stab at providing stubs
> for those functions when quota is disabled.
>
> Signed-off-by: Eric Sandeen <sandeen@...hat.com>
> ---
>
> Note - Compile-tested only, with & without quota.
>
> diff --git a/MCONFIG.in b/MCONFIG.in
> index fa2b03e..e6be05c 100644
> --- a/MCONFIG.in
> +++ b/MCONFIG.in
> @@ -93,13 +93,13 @@ LIBCOM_ERR = $(LIB)/libcom_err@..._EXT@ @PRIVATE_LIBS_CMT@ @SEM_INIT_LIB@
> LIBE2P = $(LIB)/libe2p@..._EXT@
> LIBEXT2FS = $(LIB)/libext2fs@..._EXT@
> LIBUUID = @LIBUUID@ @SOCKET_LIB@
> -LIBQUOTA = @STATIC_LIBQUOTA@
> +@...TA_CMT@...QUOTA = @STATIC_LIBQUOTA@
> LIBBLKID = @LIBBLKID@ @PRIVATE_LIBS_CMT@ $(LIBUUID)
> LIBINTL = @LIBINTL@
> DEPLIBSS = $(LIB)/libss@..._EXT@
> DEPLIBCOM_ERR = $(LIB)/libcom_err@..._EXT@
> DEPLIBUUID = @DEPLIBUUID@
> -DEPLIBQUOTA = @DEPSTATIC_LIBQUOTA@
> +@...TA_CMT@...LIBQUOTA = @DEPSTATIC_LIBQUOTA@
> DEPLIBBLKID = @DEPLIBBLKID@ @PRIVATE_LIBS_CMT@ $(DEPLIBUUID)
>
> STATIC_LIBSS = $(LIB)/libss@...TIC_LIB_EXT@ @DLOPEN_LIB@
> @@ -107,12 +107,12 @@ STATIC_LIBCOM_ERR = $(LIB)/libcom_err@...TIC_LIB_EXT@ @SEM_INIT_LIB@
> STATIC_LIBE2P = $(LIB)/libe2p@...TIC_LIB_EXT@
> STATIC_LIBEXT2FS = $(LIB)/libext2fs@...TIC_LIB_EXT@
> STATIC_LIBUUID = @STATIC_LIBUUID@ @SOCKET_LIB@
> -STATIC_LIBQUOTA = @STATIC_LIBQUOTA@
> +@...TA_CMT@...TIC_LIBQUOTA = @STATIC_LIBQUOTA@
> STATIC_LIBBLKID = @STATIC_LIBBLKID@ $(STATIC_LIBUUID)
> DEPSTATIC_LIBSS = $(LIB)/libss@...TIC_LIB_EXT@
> DEPSTATIC_LIBCOM_ERR = $(LIB)/libcom_err@...TIC_LIB_EXT@
> DEPSTATIC_LIBUUID = @DEPSTATIC_LIBUUID@
> -DEPSTATIC_LIBQUOTA = @DEPSTATIC_LIBQUOTA@
> +@...TA_CMT@...STATIC_LIBQUOTA = @DEPSTATIC_LIBQUOTA@
> DEPSTATIC_LIBBLKID = @DEPSTATIC_LIBBLKID@ $(DEPSTATIC_LIBUUID)
>
> PROFILED_LIBSS = $(LIB)/libss@...FILED_LIB_EXT@ @DLOPEN_LIB@
> @@ -120,12 +120,12 @@ PROFILED_LIBCOM_ERR = $(LIB)/libcom_err@...FILED_LIB_EXT@ @SEM_INIT_LIB@
> PROFILED_LIBE2P = $(LIB)/libe2p@...FILED_LIB_EXT@
> PROFILED_LIBEXT2FS = $(LIB)/libext2fs@...FILED_LIB_EXT@
> PROFILED_LIBUUID = @PROFILED_LIBUUID@ @SOCKET_LIB@
> -PROFILED_LIBQUOTA = @PROFILED_LIBQUOTA@
> +@...TA_CMT@...FILED_LIBQUOTA = @PROFILED_LIBQUOTA@
> PROFILED_LIBBLKID = @PROFILED_LIBBLKID@ $(PROFILED_LIBUUID)
> DEPPROFILED_LIBSS = $(LIB)/libss@...FILED_LIB_EXT@
> DEPPROFILED_LIBCOM_ERR = $(LIB)/libcom_err@...FILED_LIB_EXT@
> DEPPROFILED_LIBUUID = @PROFILED_LIBUUID@
> -DEPPROFILED_LIBQUOTA = @PROFILED_LIBQUOTA@
> +@...TA_CMT@...PROFILED_LIBQUOTA = @PROFILED_LIBQUOTA@
> DEPPROFILED_LIBBLKID = @PROFILED_LIBBLKID@ $(DEPPROFILED_LIBUUID)
>
> #
> diff --git a/lib/quota/mkquota.h b/lib/quota/mkquota.h
> index ee15071..2d5d927 100644
> --- a/lib/quota/mkquota.h
> +++ b/lib/quota/mkquota.h
> @@ -43,6 +43,7 @@ struct quota_ctx {
> };
>
> /* In mkquota.c */
> +#ifdef CONFIG_QUOTA
> errcode_t quota_init_context(quota_ctx_t *qctx, ext2_filsys fs, int qtype);
> void quota_data_inodes(quota_ctx_t qctx, struct ext2_inode *inode, ext2_ino_t ino,
> int adjust);
> @@ -60,5 +61,81 @@ int quota_file_exists(ext2_filsys fs, int qtype, int fmt);
> void quota_set_sb_inum(ext2_filsys fs, ext2_ino_t ino, int qtype);
> errcode_t quota_compare_and_update(quota_ctx_t qctx, int qtype,
> int *usage_inconsistent);
> +#else
> +static inline
> +errcode_t quota_init_context(quota_ctx_t *qctx, ext2_filsys fs, int qtype)
> +{
> + return 0;
> +}
>
> +static inline
> +void quota_data_inodes(quota_ctx_t qctx, struct ext2_inode *inode, ext2_ino_t ino,
> + int adjust)
> +{
> + return;
> +}
> +
> +static inline
> +void quota_data_add(quota_ctx_t qctx, struct ext2_inode *inode, ext2_ino_t ino,
> + qsize_t space)
> +{
> + return;
> +}
> +
> +static inline
> +void quota_data_sub(quota_ctx_t qctx, struct ext2_inode *inode, ext2_ino_t ino,
> + qsize_t space)
> +{
> + return;
> +}
> +
> +static inline
> +errcode_t quota_write_inode(quota_ctx_t qctx, int qtype)
> +{
> + return 0;
> +}
> +
> +static inline
> +errcode_t quota_update_limits(quota_ctx_t qctx, ext2_ino_t qf_ino, int type)
> +{
> + return 0;
> +}
> +
> +static inline
> +errcode_t quota_compute_usage(quota_ctx_t qctx)
> +{
> + return 0;
> +}
> +
> +static inline
> +void quota_release_context(quota_ctx_t *qctx)
> +{
> + return;
> +}
> +
> +static inline
> +errcode_t quota_remove_inode(ext2_filsys fs, int qtype)
> +{
> + return 0;
> +}
> +
> +static inline
> +int quota_file_exists(ext2_filsys fs, int qtype, int fmt)
> +{
> + return 0;
> +}
> +
> +static inline
> +void quota_set_sb_inum(ext2_filsys fs, ext2_ino_t ino, int qtype)
> +{
> + return;
> +}
> +
> +static inline
> +errcode_t quota_compare_and_update(quota_ctx_t qctx, int qtype,
> + int *usage_inconsistent)
> +{
> + return 0;
> +}
> +#endif
> #endif /* __QUOTA_QUOTAIO_H__ */
> diff --git a/lib/quota/quotaio.h b/lib/quota/quotaio.h
> index 1c062f1..c2d7a41 100644
> --- a/lib/quota/quotaio.h
> +++ b/lib/quota/quotaio.h
> @@ -158,8 +158,24 @@ void update_grace_times(struct dquot *q);
> than maxlen of extensions[] and fmtnames[] (plus 2) found in quotaio.c */
> #define QUOTA_NAME_LEN 16
>
> +#ifdef CONFIG_QUOTA
> const char *quota_get_qf_name(int type, int fmt, char *buf);
> const char *quota_get_qf_path(const char *mntpt, int qtype, int fmt,
> char *path_buf, size_t path_buf_size);
> +#else
> +static inline
> +const char *quota_get_qf_name(int type, int fmt, char *buf)
> +{
> + return NULL;
> +}
> +
> +static inline
> +const char *quota_get_qf_path(const char *mntpt, int qtype, int fmt,
> + char *path_buf, size_t path_buf_size)
> +{
> + return NULL;
> +}
> +#endif
> +
>
> #endif /* GUARD_QUOTAIO_H */
>
> --
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