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-rw-r--r--libglusterfs/src/iatt.h330
1 files changed, 0 insertions, 330 deletions
diff --git a/libglusterfs/src/iatt.h b/libglusterfs/src/iatt.h
deleted file mode 100644
index 5b95c938f7b..00000000000
--- a/libglusterfs/src/iatt.h
+++ /dev/null
@@ -1,330 +0,0 @@
-/*
- Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-
-#ifndef _IATT_H
-#define _IATT_H
-
-#if defined(GF_LINUX_HOST_OS)
-#include <sys/sysmacros.h> /* for makedev(3), major(3), minor(3) */
-#endif
-#include <sys/types.h>
-#include <sys/stat.h> /* for iatt <--> stat conversions */
-#include <unistd.h>
-
-#include "compat.h"
-#include "compat-uuid.h"
-
-typedef enum {
- IA_INVAL = 0,
- IA_IFREG,
- IA_IFDIR,
- IA_IFLNK,
- IA_IFBLK,
- IA_IFCHR,
- IA_IFIFO,
- IA_IFSOCK
-} ia_type_t;
-
-
-typedef struct {
- uint8_t suid:1;
- uint8_t sgid:1;
- uint8_t sticky:1;
- struct {
- uint8_t read:1;
- uint8_t write:1;
- uint8_t exec:1;
- } owner, group, other;
-} ia_prot_t;
-
-
-struct iatt {
- uint64_t ia_ino; /* inode number */
- uuid_t ia_gfid;
- uint64_t ia_dev; /* backing device ID */
- ia_type_t ia_type; /* type of file */
- ia_prot_t ia_prot; /* protection */
- uint32_t ia_nlink; /* Link count */
- uint32_t ia_uid; /* user ID of owner */
- uint32_t ia_gid; /* group ID of owner */
- uint64_t ia_rdev; /* device ID (if special file) */
- uint64_t ia_size; /* file size in bytes */
- uint32_t ia_blksize; /* blocksize for filesystem I/O */
- uint64_t ia_blocks; /* number of 512B blocks allocated */
- uint32_t ia_atime; /* last access time */
- uint32_t ia_atime_nsec;
- uint32_t ia_mtime; /* last modification time */
- uint32_t ia_mtime_nsec;
- uint32_t ia_ctime; /* last status change time */
- uint32_t ia_ctime_nsec;
-};
-
-
-#define IA_ISREG(t) (t == IA_IFREG)
-#define IA_ISDIR(t) (t == IA_IFDIR)
-#define IA_ISLNK(t) (t == IA_IFLNK)
-#define IA_ISBLK(t) (t == IA_IFBLK)
-#define IA_ISCHR(t) (t == IA_IFCHR)
-#define IA_ISFIFO(t) (t == IA_IFIFO)
-#define IA_ISSOCK(t) (t == IA_IFSOCK)
-#define IA_ISINVAL(t) (t == IA_INVAL)
-
-#define IA_PROT_RUSR(prot) ((prot).owner.read == 1)
-#define IA_PROT_WUSR(prot) ((prot).owner.write == 1)
-#define IA_PROT_XUSR(prot) ((prot).owner.exec == 1)
-
-#define IA_PROT_RGRP(prot) ((prot).group.read == 1)
-#define IA_PROT_WGRP(prot) ((prot).group.write == 1)
-#define IA_PROT_XGRP(prot) ((prot).group.exec == 1)
-
-#define IA_PROT_ROTH(prot) ((prot).other.read == 1)
-#define IA_PROT_WOTH(prot) ((prot).other.write == 1)
-#define IA_PROT_XOTH(prot) ((prot).other.exec == 1)
-
-#define IA_PROT_SUID(prot) ((prot).suid == 1)
-#define IA_PROT_SGID(prot) ((prot).sgid == 1)
-#define IA_PROT_STCKY(prot) ((prot).sticky == 1)
-
-#define IA_FILE_OR_DIR(t) (IA_ISREG(t) || IA_ISDIR(t))
-
-static inline uint32_t
-ia_major (uint64_t ia_dev)
-{
- return (uint32_t) (ia_dev >> 32);
-}
-
-
-static inline uint32_t
-ia_minor (uint64_t ia_dev)
-{
- return (uint32_t) (ia_dev & 0xffffffff);
-}
-
-
-static inline uint64_t
-ia_makedev (uint32_t ia_maj, uint32_t ia_min)
-{
- return ((((uint64_t) ia_maj) << 32) | ia_min);
-}
-
-
-static inline ia_prot_t
-ia_prot_from_st_mode (mode_t mode)
-{
- ia_prot_t ia_prot = {0, };
-
- if (mode & S_ISUID)
- ia_prot.suid = 1;
- if (mode & S_ISGID)
- ia_prot.sgid = 1;
- if (mode & S_ISVTX)
- ia_prot.sticky = 1;
-
- if (mode & S_IRUSR)
- ia_prot.owner.read = 1;
- if (mode & S_IWUSR)
- ia_prot.owner.write = 1;
- if (mode & S_IXUSR)
- ia_prot.owner.exec = 1;
-
- if (mode & S_IRGRP)
- ia_prot.group.read = 1;
- if (mode & S_IWGRP)
- ia_prot.group.write = 1;
- if (mode & S_IXGRP)
- ia_prot.group.exec = 1;
-
- if (mode & S_IROTH)
- ia_prot.other.read = 1;
- if (mode & S_IWOTH)
- ia_prot.other.write = 1;
- if (mode & S_IXOTH)
- ia_prot.other.exec = 1;
-
- return ia_prot;
-}
-
-
-static inline ia_type_t
-ia_type_from_st_mode (mode_t mode)
-{
- ia_type_t type = IA_INVAL;
-
- if (S_ISREG (mode))
- type = IA_IFREG;
- if (S_ISDIR (mode))
- type = IA_IFDIR;
- if (S_ISLNK (mode))
- type = IA_IFLNK;
- if (S_ISBLK (mode))
- type = IA_IFBLK;
- if (S_ISCHR (mode))
- type = IA_IFCHR;
- if (S_ISFIFO (mode))
- type = IA_IFIFO;
- if (S_ISSOCK (mode))
- type = IA_IFSOCK;
-
- return type;
-}
-
-
-static inline mode_t
-st_mode_from_ia (ia_prot_t prot, ia_type_t type)
-{
- mode_t st_mode = 0;
- uint32_t type_bit = 0;
- uint32_t prot_bit = 0;
-
- switch (type) {
- case IA_IFREG:
- type_bit = S_IFREG;
- break;
- case IA_IFDIR:
- type_bit = S_IFDIR;
- break;
- case IA_IFLNK:
- type_bit = S_IFLNK;
- break;
- case IA_IFBLK:
- type_bit = S_IFBLK;
- break;
- case IA_IFCHR:
- type_bit = S_IFCHR;
- break;
- case IA_IFIFO:
- type_bit = S_IFIFO;
- break;
- case IA_IFSOCK:
- type_bit = S_IFSOCK;
- break;
- case IA_INVAL:
- break;
- }
-
- if (prot.suid)
- prot_bit |= S_ISUID;
- if (prot.sgid)
- prot_bit |= S_ISGID;
- if (prot.sticky)
- prot_bit |= S_ISVTX;
-
- if (prot.owner.read)
- prot_bit |= S_IRUSR;
- if (prot.owner.write)
- prot_bit |= S_IWUSR;
- if (prot.owner.exec)
- prot_bit |= S_IXUSR;
-
- if (prot.group.read)
- prot_bit |= S_IRGRP;
- if (prot.group.write)
- prot_bit |= S_IWGRP;
- if (prot.group.exec)
- prot_bit |= S_IXGRP;
-
- if (prot.other.read)
- prot_bit |= S_IROTH;
- if (prot.other.write)
- prot_bit |= S_IWOTH;
- if (prot.other.exec)
- prot_bit |= S_IXOTH;
-
- st_mode = (type_bit | prot_bit);
-
- return st_mode;
-}
-
-
-static inline int
-iatt_from_stat (struct iatt *iatt, struct stat *stat)
-{
- iatt->ia_dev = stat->st_dev;
- iatt->ia_ino = stat->st_ino;
-
- iatt->ia_type = ia_type_from_st_mode (stat->st_mode);
- iatt->ia_prot = ia_prot_from_st_mode (stat->st_mode);
-
- iatt->ia_nlink = stat->st_nlink;
- iatt->ia_uid = stat->st_uid;
- iatt->ia_gid = stat->st_gid;
-
- iatt->ia_rdev = ia_makedev (major (stat->st_rdev),
- minor (stat->st_rdev));
-
- iatt->ia_size = stat->st_size;
- iatt->ia_blksize = stat->st_blksize;
- iatt->ia_blocks = stat->st_blocks;
-
- /* There is a possibility that the backend FS (like XFS) can
- allocate blocks beyond EOF for better performance reasons, which
- results in 'st_blocks' with higher values than what is consumed by
- the file descriptor. This would break few logic inside GlusterFS,
- like quota behavior etc, thus we need the exact number of blocks
- which are consumed by the file to the higher layers inside GlusterFS.
- Currently, this logic won't work for sparse files (ie, file with
- holes)
- */
- {
- uint64_t maxblocks;
-
- maxblocks = (iatt->ia_size + 511) / 512;
-
- if (iatt->ia_blocks > maxblocks)
- iatt->ia_blocks = maxblocks;
- }
-
- iatt->ia_atime = stat->st_atime;
- iatt->ia_atime_nsec = ST_ATIM_NSEC (stat);
-
- iatt->ia_mtime = stat->st_mtime;
- iatt->ia_mtime_nsec = ST_MTIM_NSEC (stat);
-
- iatt->ia_ctime = stat->st_ctime;
- iatt->ia_ctime_nsec = ST_CTIM_NSEC (stat);
-
- return 0;
-}
-
-
-static inline int
-iatt_to_stat (struct iatt *iatt, struct stat *stat)
-{
- stat->st_dev = iatt->ia_dev;
- stat->st_ino = iatt->ia_ino;
-
- stat->st_mode = st_mode_from_ia (iatt->ia_prot, iatt->ia_type);
-
- stat->st_nlink = iatt->ia_nlink;
- stat->st_uid = iatt->ia_uid;
- stat->st_gid = iatt->ia_gid;
-
- stat->st_rdev = makedev (ia_major (iatt->ia_rdev),
- ia_minor (iatt->ia_rdev));
-
- stat->st_size = iatt->ia_size;
- stat->st_blksize = iatt->ia_blksize;
- stat->st_blocks = iatt->ia_blocks;
-
- stat->st_atime = iatt->ia_atime;
- ST_ATIM_NSEC_SET (stat, iatt->ia_atime_nsec);
-
- stat->st_mtime = iatt->ia_mtime;
- ST_MTIM_NSEC_SET (stat, iatt->ia_mtime_nsec);
-
- stat->st_ctime = iatt->ia_ctime;
- ST_CTIM_NSEC_SET (stat, iatt->ia_ctime_nsec);
-
- return 0;
-}
-
-
-#endif /* _IATT_H */
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