[LU-15401] Nesting request under ldlm lock in lmv_unpackmd() Created: 30/Dec/21  Updated: 21/Jan/22  Resolved: 21/Jan/22

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: None
Fix Version/s: Lustre 2.15.0

Type: Bug Priority: Minor
Reporter: Andriy Skulysh Assignee: Andriy Skulysh
Resolution: Fixed Votes: 0
Labels: None

Severity: 3
Rank (Obsolete): 9223372036854775807

 Description   
PID: 25174  TASK: ffff92c9cc002100  CPU: 0   COMMAND: "mv"
 #0 [ffff92c9d63df568] __schedule at ffffffffb0b86cc7
 #1 [ffff92c9d63df5f0] schedule at ffffffffb0b871e9
 #2 [ffff92c9d63df600] obd_get_request_slot at ffffffffc060a254 [obdclass]
 #3 [ffff92c9d63df6b0] fld_client_rpc at ffffffffc05a03ab [fld]
 #4 [ffff92c9d63df700] fld_client_lookup at ffffffffc05a0a4c [fld]
 #5 [ffff92c9d63df780] lmv_fld_lookup at ffffffffc0908b70 [lmv]
 #6 [ffff92c9d63df7b8] lmv_unpackmd at ffffffffc08f9d36 [lmv]
 #7 [ffff92c9d63df810] mdc_get_lustre_md at ffffffffc09dd688 [mdc]
 #8 [ffff92c9d63df850] lmv_get_lustre_md at ffffffffc08f2466 [lmv]
 #9 [ffff92c9d63df888] ll_prep_inode at ffffffffc0a7d80e [lustre]
#10 [ffff92c9d63df940] ll_lookup_it at ffffffffc0a8ae03 [lustre]
#11 [ffff92c9d63dfb98] ll_lookup_nd at ffffffffc0a8d71b [lustre]
#12 [ffff92c9d63dfc30] lookup_real at ffffffffb06589e3
#13 [ffff92c9d63dfc50] __lookup_hash at ffffffffb0659402
#14 [ffff92c9d63dfc80] lookup_slow at ffffffffb0b7df6c
#15 [ffff92c9d63dfcb8] path_lookupat at ffffffffb065cffe
#16 [ffff92c9d63dfd50] filename_lookup at ffffffffb065d05b
#17 [ffff92c9d63dfd88] user_path_at_empty at ffffffffb0660d67
#18 [ffff92c9d63dfe58] user_path_at at ffffffffb0660dd1
#19 [ffff92c9d63dfe68] vfs_fstatat at ffffffffb06535c3


 Comments   
Comment by Gerrit Updater [ 30/Dec/21 ]

"Andriy Skulysh <andriy.skulysh@hpe.com>" uploaded a new patch: https://review.whamcloud.com/45956
Subject: LU-15401 fld: don't obtain a slot for fld request
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 1d1e4a6dc065b4071c848e96529635b66f5f4484

Comment by Gerrit Updater [ 20/Jan/22 ]

"Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/45956/
Subject: LU-15401 fld: don't obtain a slot for fld request
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: be5ed6b393e0268ffa0c046951b3b01cf0d7c74e

Comment by Cory Spitz [ 21/Jan/22 ]

Landed for 2.15.0.

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