/* * Allocate and initialise an xfs_inode. */ struct xfs_inode * xfs_inode_alloc( struct xfs_mount *mp, xfs_ino_t ino) { struct xfs_inode *ip; /* * if this didn't occur in transactions, we could use * KM_MAYFAIL and return NULL here on ENOMEM. Set the * code up to do this anyway. */ ip = kmem_zone_alloc(xfs_inode_zone, KM_SLEEP); if (!ip) return NULL; if (inode_init_always(mp->m_super, VFS_I(ip))) { kmem_zone_free(xfs_inode_zone, ip); return NULL; } /* VFS doesn't initialise i_mode! */ VFS_I(ip)->i_mode = 0; XFS_STATS_INC(mp, vn_active); ASSERT(atomic_read(&ip->i_pincount) == 0); ASSERT(!spin_is_locked(&ip->i_flags_lock)); ASSERT(!xfs_isiflocked(ip)); ASSERT(ip->i_ino == 0); mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino); /* initialise the xfs inode */ ip->i_ino = ino; ip->i_mount = mp; memset(&ip->i_imap, 0, sizeof(struct xfs_imap)); ip->i_afp = NULL; ip->i_cowfp = NULL; ip->i_cnextents = 0; ip->i_cformat = XFS_DINODE_FMT_EXTENTS; memset(&ip->i_df, 0, sizeof(xfs_ifork_t)); ip->i_flags = 0; ip->i_delayed_blks = 0; memset(&ip->i_d, 0, sizeof(ip->i_d)); return ip; }
/* * Allocate and initialise an xfs_inode. */ STATIC struct xfs_inode * xfs_inode_alloc( struct xfs_mount *mp, xfs_ino_t ino) { struct xfs_inode *ip; /* * if this didn't occur in transactions, we could use * KM_MAYFAIL and return NULL here on ENOMEM. Set the * code up to do this anyway. */ ip = kmem_zone_alloc(xfs_inode_zone, KM_SLEEP); if (!ip) return NULL; if (inode_init_always(mp->m_super, VFS_I(ip))) { kmem_zone_free(xfs_inode_zone, ip); return NULL; } ASSERT(atomic_read(&ip->i_iocount) == 0); ASSERT(atomic_read(&ip->i_pincount) == 0); ASSERT(!spin_is_locked(&ip->i_flags_lock)); ASSERT(completion_done(&ip->i_flush)); ASSERT(ip->i_ino == 0); mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino); lockdep_set_class_and_name(&ip->i_iolock.mr_lock, &xfs_iolock_active, "xfs_iolock_active"); /* initialise the xfs inode */ ip->i_ino = ino; ip->i_mount = mp; memset(&ip->i_imap, 0, sizeof(struct xfs_imap)); ip->i_afp = NULL; memset(&ip->i_df, 0, sizeof(xfs_ifork_t)); ip->i_flags = 0; ip->i_update_core = 0; ip->i_delayed_blks = 0; memset(&ip->i_d, 0, sizeof(xfs_icdinode_t)); ip->i_size = 0; ip->i_new_size = 0; return ip; }
STATIC struct xfs_inode * xfs_inode_alloc( struct xfs_mount *mp, xfs_ino_t ino) { struct xfs_inode *ip; ip = kmem_zone_alloc(xfs_inode_zone, KM_SLEEP); if (!ip) return NULL; if (inode_init_always(mp->m_super, VFS_I(ip))) { kmem_zone_free(xfs_inode_zone, ip); return NULL; } ASSERT(atomic_read(&ip->i_pincount) == 0); ASSERT(!spin_is_locked(&ip->i_flags_lock)); ASSERT(!xfs_isiflocked(ip)); ASSERT(ip->i_ino == 0); mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino); lockdep_set_class_and_name(&ip->i_iolock.mr_lock, &xfs_iolock_active, "xfs_iolock_active"); ip->i_ino = ino; ip->i_mount = mp; memset(&ip->i_imap, 0, sizeof(struct xfs_imap)); ip->i_afp = NULL; memset(&ip->i_df, 0, sizeof(xfs_ifork_t)); ip->i_flags = 0; ip->i_delayed_blks = 0; memset(&ip->i_d, 0, sizeof(xfs_icdinode_t)); return ip; }