diff options
Diffstat (limited to 'xlators/storage/posix/src/posix.c')
| -rw-r--r-- | xlators/storage/posix/src/posix.c | 99 |
1 files changed, 86 insertions, 13 deletions
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c index 6cd7df54909..b621580d3e6 100644 --- a/xlators/storage/posix/src/posix.c +++ b/xlators/storage/posix/src/posix.c @@ -1717,13 +1717,13 @@ out: int32_t posix_unlink_gfid_handle_and_entry (xlator_t *this, const char *real_path, struct iatt *stbuf, int32_t *op_errno, - loc_t *loc) + loc_t *loc, gf_boolean_t get_link_count, + dict_t *rsp_dict) { - int32_t ret = 0; - struct posix_private *priv = NULL; - int fd_count = 0; - - priv = this->private; + int fd_count = 0; + int32_t ret = 0; + struct iatt prebuf = {0,}; + gf_boolean_t locked = _gf_false; /* Unlink the gfid_handle_first */ if (stbuf && stbuf->ia_nlink == 1) { @@ -1746,6 +1746,18 @@ posix_unlink_gfid_handle_and_entry (xlator_t *this, const char *real_path, } } + if (get_link_count) { + LOCK (&loc->inode->lock); + locked = _gf_true; + ret = posix_pstat (this, loc->gfid, real_path, &prebuf); + if (ret) { + gf_msg (this->name, GF_LOG_ERROR, errno, + P_MSG_LSTAT_FAILED, "lstat on %s failed", + real_path); + goto err; + } + } + /* Unlink the actual file */ ret = sys_unlink (real_path); if (ret == -1) { @@ -1756,9 +1768,23 @@ posix_unlink_gfid_handle_and_entry (xlator_t *this, const char *real_path, goto err; } + if (locked) { + UNLOCK (&loc->inode->lock); + locked = _gf_false; + } + + ret = dict_set_uint32 (rsp_dict, GET_LINK_COUNT, prebuf.ia_nlink); + if (ret) + gf_msg (this->name, GF_LOG_WARNING, 0, P_MSG_SET_XDATA_FAIL, + "failed to set "GET_LINK_COUNT" for %s", real_path); + return 0; err: + if (locked) { + UNLOCK (&loc->inode->lock); + locked = _gf_false; + } return -1; } @@ -1849,6 +1875,7 @@ posix_unlink (call_frame_t *frame, xlator_t *this, void *uuid = NULL; char uuid_str[GF_UUID_BUF_SIZE] = {0}; char gfid_str[GF_UUID_BUF_SIZE] = {0}; + gf_boolean_t get_link_count = _gf_false; DECLARE_OLD_FS_ID_VAR; @@ -1972,18 +1999,23 @@ posix_unlink (call_frame_t *frame, xlator_t *this, } } - op_ret = posix_unlink_gfid_handle_and_entry (this, real_path, &stbuf, - &op_errno, loc); - if (op_ret == -1) { - goto out; - } - unwind_dict = dict_new (); if (!unwind_dict) { op_errno = -ENOMEM; op_ret = -1; goto out; } + + if (xdata && dict_get (xdata, GET_LINK_COUNT)) + get_link_count = _gf_true; + op_ret = posix_unlink_gfid_handle_and_entry (this, real_path, &stbuf, + &op_errno, loc, + get_link_count, + unwind_dict); + if (op_ret == -1) { + goto out; + } + if (fdstat_requested) { op_ret = posix_fdstat (this, fd, &postbuf); if (op_ret == -1) { @@ -2307,6 +2339,8 @@ posix_rename (call_frame_t *frame, xlator_t *this, char *pgfid_xattr_key = NULL; int32_t nlink_samepgfid = 0; dict_t *unwind_dict = NULL; + gf_boolean_t locked = _gf_false; + gf_boolean_t get_link_count = _gf_false; DECLARE_OLD_FS_ID_VAR; @@ -2333,6 +2367,13 @@ posix_rename (call_frame_t *frame, xlator_t *this, goto out; } + unwind_dict = dict_new (); + if (!unwind_dict) { + op_ret = -1; + op_errno = ENOMEM; + goto out; + } + op_ret = posix_pstat (this, oldloc->pargfid, par_oldpath, &preoldparent); if (op_ret == -1) { op_errno = errno; @@ -2399,6 +2440,22 @@ posix_rename (call_frame_t *frame, xlator_t *this, this, unlock); } + if ((xdata) && (dict_get (xdata, GET_LINK_COUNT)) + && (real_newpath) && (was_present)) { + LOCK (&newloc->inode->lock); + locked = _gf_true; + get_link_count = _gf_true; + op_ret = posix_pstat (this, newloc->gfid, real_newpath, + &stbuf); + if ((op_ret == -1) && (errno != ENOENT)) { + op_errno = errno; + gf_msg (this->name, GF_LOG_ERROR, errno, + P_MSG_LSTAT_FAILED, + "lstat on %s failed", real_newpath); + goto unlock; + } + } + op_ret = sys_rename (real_oldpath, real_newpath); if (op_ret == -1) { op_errno = errno; @@ -2426,6 +2483,18 @@ posix_rename (call_frame_t *frame, xlator_t *this, goto unlock; } + if (locked) { + UNLOCK (&newloc->inode->lock); + locked = _gf_false; + } + + if ((get_link_count) && + (dict_set_uint32 (unwind_dict, GET_LINK_COUNT, + stbuf.ia_nlink))) + gf_msg (this->name, GF_LOG_WARNING, 0, + P_MSG_SET_XDATA_FAIL, "failed to set " + GET_LINK_COUNT" for %s", real_newpath); + if (!IA_ISDIR (oldloc->inode->ia_type) && priv->update_pgfid_nlinks) { MAKE_PGFID_XATTR_KEY (pgfid_xattr_key, @@ -2439,6 +2508,10 @@ posix_rename (call_frame_t *frame, xlator_t *this, } } unlock: + if (locked) { + UNLOCK (&newloc->inode->lock); + locked = _gf_false; + } UNLOCK (&oldloc->inode->lock); if (op_ret < 0) { @@ -2487,7 +2560,7 @@ unlock: } if (was_present) - unwind_dict = posix_dict_set_nlink (xdata, NULL, nlink); + unwind_dict = posix_dict_set_nlink (xdata, unwind_dict, nlink); op_ret = 0; out: |