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    SubjectRe: [RFC PATCH 0/5] xgetdents system call
    On Fri, Jul 25, 2014 at 7:38 PM, Abhi Das <adas@redhat.com> wrote:
    > This system call takes 5 arguments:
    > fd - file descriptor of the directory
    > flags - flags used by xstat
    > mask - field mask used to request stat/xattr info
    > buf - user buf to return collected info
    > count - size of user buffer in bytes
    >
    > xgetdents() should read the directory entries, collect stat
    > and xattr information for each entry as requested and return
    > all the data back to the user in a container structure
    > (linux_xdirent) as part of the supplied user buffer.

    Hello Abhi,

    As per Documentation/SubmitChecklist, please CC linux-api on patches
    that change the kerne-user-space API/ABI. (See
    https://www.kernel.org/doc/man-pages/linux-api-ml.html for more
    details.)

    Cheers,

    Michael



    > Abhi Das (5):
    > fs: xstat system call VFS bits
    > fs: Add xgetdents system call and xreaddir file operation
    > gfs2: Add a dynamic buffer backed by a vector of pages
    > gfs2: Add sort functionality with extra parameter
    > gfs2: Add xreaddir file operation and supporting functions
    >
    > arch/x86/syscalls/syscall_32.tbl | 3 +
    > arch/x86/syscalls/syscall_64.tbl | 3 +
    > fs/gfs2/Makefile | 3 +-
    > fs/gfs2/dir.c | 80 +--
    > fs/gfs2/dir.h | 13 +-
    > fs/gfs2/export.c | 2 +-
    > fs/gfs2/file.c | 17 +-
    > fs/gfs2/incore.h | 6 +
    > fs/gfs2/inode.c | 3 +-
    > fs/gfs2/inode.h | 5 +
    > fs/gfs2/ops_fstype.c | 4 +
    > fs/gfs2/sys.c | 26 +-
    > fs/gfs2/util.c | 363 ++++++++++++++
    > fs/gfs2/util.h | 47 ++
    > fs/gfs2/xattr.c | 27 +-
    > fs/gfs2/xattr.h | 23 +
    > fs/gfs2/xreaddir.c | 1024 ++++++++++++++++++++++++++++++++++++++
    > fs/gfs2/xreaddir.h | 84 ++++
    > fs/readdir.c | 42 ++
    > fs/stat.c | 340 ++++++++++++-
    > include/linux/fs.h | 5 +
    > include/linux/stat.h | 16 +-
    > include/linux/syscalls.h | 5 +
    > include/uapi/linux/fcntl.h | 1 +
    > include/uapi/linux/stat.h | 143 ++++++
    > 25 files changed, 2196 insertions(+), 89 deletions(-)
    > create mode 100644 fs/gfs2/xreaddir.c
    > create mode 100644 fs/gfs2/xreaddir.h
    >
    > --
    > 1.8.1.4
    >
    > --
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    --
    Michael Kerrisk Linux man-pages maintainer;
    http://www.kernel.org/doc/man-pages/
    Author of "The Linux Programming Interface", http://blog.man7.org/


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